Finding yourself far from a wall socket when your phone hits five percent is positively nervewracking. If you stash a portable battery in your bag, you can avoid that feeling altogether. But there are thousands of power banks out there and it can be tough to pick the right one for what you need. I’ve spent a few years testing dozens of batteries and found the best power banks for different scenarios. Whether you need a quick reup for your phone or a huge brick to keep your laptop alive, you’ll find something fitting here.
Best power banks for 2026
Photo by Amy Skorheim / Engadget
Capacity: 10,000mAh | Maximum Output: 15W (wireless) | Ports: One USB-C in/out | Included cable: USB-C to USB-C | Number of charges iPhone 15: 1.64 | Charge time iPhone: 4 to 100% in 2h 26m and 0 to 70% in 1h 8m | Weight: 8.82 oz | Dimensions: 4.22 x 2.71 x 0.78 in
Anker’s MagGo Power Bank was one of the first Qi2-certified products to come on the market, and the new standard has made the brand’s popular MagSafe/kickstand model much faster. It’s the most well-rounded best MagSafe battery I’ve tested, but if you’re looking for other options, we have an entire MagSafe power bank guide to peruse.
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It brought an iPhone 15 from near-dead to half-full in about 45 minutes. For reference, it took our former top pick in this category an hour and a half to do the same. It’s similarly faster than Anker’s previous generation of this model, the 633, as well. After that initial refill, the MagGo 10K had enough left over to get the phone up to 70 percent on a subsequent charge.
In addition to faster charging speeds, this wireless power bank adds a LCD display to indicate the battery percentage left in the bank, plus the approximate amount of time before it’s full (when it’s refilling) or empty (when it’s doing the charging). A strong MagSafe connection makes it easy to use the phone while it charges and the small kickstand creates a surprisingly sturdy base for watching videos and the like. If you twist the phone to landscape, StandBy mode kicks in.
The power bank did a fine job of charging our Galaxy S23 Ultra — though that model doesn’t have Qi2 support. New Pixel 10 phones do, so those handsets will charge at a faster rate with this battery — and benefit from zero-effort magnetic alignment. The MagGo also has a USB-C port, so if you need to fill up something without wireless capabilities, you can.
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Pros
Qi2 tech enables extra fast wireless charging
Sturdy kickstand props up iPhones as it charges
LED display for battery percentage
Cons
More expensive than other MagSafe packs
Photo by Amy Skorheim / Engadget
Capacity: 5,000 mAh | Maximum Output: 22.5W | Ports: One USB-C and one USB-C connector | Cable: USB-C to USB-C | Number of charges Galaxy S23 Ultra: 0.65 | Charge time: 0 to 65% in 1h 2m | Weight: 3.5 oz | Dimensions: 3.03 x 1.45 x 0.98 in
The Anker Nano power bank has impressive power delivery for its size. It’s the exact size and shape of the lipstick case my grandma used to carry and has a built-in USB-C connector that folds down when you’re not using it. That means that, in addition to being ultra-portable, you don’t need to remember to grab a charging cable when you toss it in your bag. There’s also a built-in USB-C port that can refill the battery or be used to fill up a different device with an adapter cable. Four indicator lights let you know how much charge remains in the battery.
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In my testing, the 5,000mAh battery provided enough charge to get a depleted Galaxy S23 Ultra back up to 65 percent in about an hour. That’s relatively quick, but the Nano is also small enough that, with its sturdy connection, you can use your phone while it’s charging without feeling too awkward. The charger’s small size also makes it a good pick for recharging earbuds.
For a little more juice and an equally clever design, Anker’s 30W Nano Power Bank is a good option for delivering a single charge. It’s bigger in size and capacity (10,000mAh) and includes a display indicating the remaining charge percentage. The built-in USB-C cable doubles as a carry handle, which is a nice touch. That cable is in/out and there’s another USB-C in-out port in addition to an out-only USB-A port.
Cons
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Small enough to get misplaced
Photo by Amy Skorheim / Engadget
Capacity: 10,000mAh | Maximum Output: 30W | Ports: One USB-C in/out port, one USB-C in/out cable, wall prongs | Cable: Built-in USB-C | Number of charges iPhone 15: 1.86 | Charge time iPhone: 5 to 100% 1h 53m and 5 to 91% 1h 5m | Number of charges Galaxy S23 Ultra: 1.45 | Charge time Galaxy: 5 to 100% 1h 2m, 5% to 50% 23m | Weight: 8.8 oz | Dimensions: 4.25 x 2.0 x 1.22 in
The toughest thing about using a power bank is remembering to bring it along. You also have to remember a cable and, if you want to refill the bank itself, a wall adapter. Anker’s 10K Fusion solves two of those problems with its attached USB-C cable for your gadget and foldable two-prong plug for charging the bank itself (yes, you still have to remember to bring the thing with you).
Despite the attachments, it’s compact, just a smidge wider than a stick of butter, yet still packs a 10,000 mAh capacity. The 30 watts of power enabled the “Super Fast Charging” message on a Galaxy S23 android phone and got it from five percent to full in just over an hour. In just 20 minutes, the 10K Fusion bumped a near-dead iPhone 15 to 45 percent. Though it slowed down towards the end of the Apple handset’s charge.
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There’s an additional USB-C port for charging devices that may require a different cable and both it and the built-in connector can be used to refill the power bank. The cable makes a neat loop that looks a lot like a handle. Even though I’m wary of carrying a device around by its cord, it felt sturdy enough.
The onboard display indicates the Fusion’s remaining charge in terms of a percentage and was one of the more accurate readouts I’ve tested. I also like the corduroy texture along the sides — very fidget-worthy.
Our previous pick in this low-capacity category, the BioLite Charge 40 PD, is still an excellent choice — it’s durable, delivers a quick charge and looks cool. I use it often myself. Plus BioLite has an admirable mission of bringing energy to places where it’s otherwise scarce. But Anker’s new release, the 10K Fusion simply delivers a faster charge and more features at a lower price.
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Pros
Has a built-in USB-C cable
Also has built-in wall prongs
Display is fairly accurate
Affordable
Cons
iPhone charging is slower than other banks in its range
Amy Skorheim for Engadget
Capacity: 20,000mAh | Maximumoutput: 30W | Ports: One built-in USB-C in/out cable, one USB-A port, one USB-C port | Cable: USB-C | Number of charges iPhone 15: 3 – 3.5 | Charge time iPhone: 5 to 100% in 2h 6m | Number of charges Galaxy S23 Ultra: 2.5 – 3 | Charge time S23 Ultra: 1h 15m | Weight: 14 oz | Dimensions: 6.06 x 3.0 x 0.99 in
An integrated cable seems to be the hot new feature in portable chargers — and I’m all for it. I can remember times when I’ve had a dead phone and power bank, but no way to connect the two. The Belkin Boost Charge 20K with Integrated Cable is one such bank I’ve tested and also one of the more affordable examples.
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It can output a maximum of 30 watts, which doesn’t make it the fastest charger around, but it wasn’t a slouch. It charged a Samsung Galaxy S24 Ultra from near-dead to full in an hour and 15 minutes and bumped an iPhone 15 from five to 87 percent in just over an hour. And the 20,000mAh capacity means it can achieve those numbers around three times over.
In addition to the built-in (and conveniently magnetized) USB-C cable, there are two other ports: an out-only USB-A and an in/out Type C. That means you can technically charge three devices at the same time, but just note that the amount of charge and the time it takes for things to refill will both take a hit.
There’s no digital screen to tell you how much charge remains in the battery, just four indicator LEDs. I’ve certainly found display readouts to be helpful in determining just how much more juice I can squeeze out of a battery, but the lighted pips here are accurate and still useful.
While color options probably won’t make or break your battery pack purchase, I appreciate that the BoostCharge 20K comes in something other than standard black. You can of course get it in that shade, but also in blue, pink or white. The pink of my tester unit was pale and pretty and the matte finish does a good job of staying clean — some black smudges from who-knows-what in my bag came off easily with some rubbing alcohol.
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Pros
Built-in USB-C cable is handy
Comes in four color options
Affordable
Great capacity for the price
Cons
Charge isn’t as fast as other banks
Photo by Amy Skorheim / Engadget
Capacity: 20,000mAh | Maximum Output: 65W | Ports: Two USB-C in/out | Cable: USB-C to USB-C | Number of charges iPhone 11: 2.95 | Charge time iPhone: 5 to 100% in 1h 39m average | Number of charges Galaxy S22 Ultra: 2.99 | Charge time Galaxy: 5 to 100% in 59m average | Number of charges iPad Air: 1.83 | Charge time iPad: 5 to 100% in 1h 55m and 83% in 1h 21m | Weight: 12.9 oz | Dimensions: 5.92 x 2.48 x 1.00 in
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Nimble’s Champ Pro battery delivers a screaming fast charge and got a Galaxy S23 Ultra from five percent to full in under an hour. That’s faster than every other battery I tested except for Anker’s Laptop Power Bank, our premium pick — and that model costs $30 more. It lent nearly three full charges to both an iPhone and Galaxy device and has enough juice to refill an iPad more than once. The battery pack itself also re-ups from the wall noticeably faster than other models, so it’ll get you out the door quicker.
The company, Nimble, is a certified B-Corp, meaning they aim for higher environmental and social standards and verify their efforts through independent testing. The Champ Pro uses 90 percent post-consumer plastic and comes in packaging made from paper scrap with a bag for shipping back your old battery (or other tech) for recycling.
The unit itself feels sturdy and has a compact shape that’s a little narrower than a smartphone and about as long. The attached adjustable lanyard is cute, if a little superfluous, and the marbled effect from the recycled plastics give it a nice aesthetic. You can charge devices from both USB-C ports simultaneously, and both are input/output plugs.
My only qualm was with the four indicator lights. On a second testing round, it dropped down to just one remaining pip, yet went on to deliver a full fill-up plus an additional top off after that. That said, I’m glad the indicator lights under-estimated the remaining charge rather than the other way around, and the accuracy seemed to improve after subsequent depletions and refills.
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Pros
Super fast charging
Made from recycled materials
Sturdy and compact design
Cons
Indicator lights underestimate charge
Amy Skorheim for Engadget
Capacity: 25,000mAh | Maximum total output: 120W | Ports: Wireless pad (15W), two USB-C (100W), one USB-A (15W), one USB-C (15W) | Cable: USB-C to USB-C (100W) | Number of charges iPhone 15: 5 | Charge time iPhone: 5 to 100% in 1h 52m (wired) 2h 38m (wireless) | Number of charges Galaxy S23 Ultra: 4 | Charge time S23 Ultra: 1h 4m | Number of charges iPad Air: 2.2 | Charge time iPad: 5 to 100% in 2h 20m | Number of charges MacBook Pro: 0.75 | Charge time MacBook Pro: 57 m | Weight: 1.28 lbs | Dimensions: 5.5 x 4.4 x 1.38 in
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The compact and rounded design of the Biolite Charge 100 Max makes it more packable and conducive to travel than the Lion Eclipse Mag. It was also a touch faster in refilling most devices, but since the Charge 100W is $50 more expensive for slightly less capacity, it earns runner-up status.
In addition to four USB ports (three Type-C and one Type-A) It has a MagSafe-compatible wireless charging pad on one side, with a maximum output of 15 watts. The magnetic hold is enough to keep it in place as it charges, but it’s not as strong as you’ll find on smaller MagSafe batteries — I wouldn’t carry it around during a refill.
The 10 LED pips indicate the remaining charge and I found those to be pretty accurate, though the last pip doesn’t flash before it dies like other batteries. The rubberized texture and yellow accents are a welcome aesthetic change from the techy black look of most larger batteries — and it’s quite nice to hold. There’s also plenty to appreciate about the company itself: a climate neutral-certified B-Corporation that helps bring lights and cook stoves to energy impoverished areas around the world.
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Pros
Compact and colorful design
Delivers a quick charge to phones, tablets and laptops
Company is a climate neutral-certified
Cons
More expensive than similar-capacity batteries
Amy Skorheim for Engadget
Capacity: 25,000mAh | Maximumoutput: 165W | Ports: Two built-in USB-C in/out cables, one USB-A port, one USB-C port | Cable: USB-C to USB-C | Number of charges iPhone 15: 4 – 5 | Charge time iPhone: 5 to 100% in 1h 54m | Number of charges Galaxy S23 Ultra: 3.75 – 4 | Charge time S23 Ultra: 52m | Number of charges iPad Air: 1.75 – 2 | Charge time iPad: 5 to 100% in 1h 58m | Number of charges MacBook Pro: 0.68 | Charge time MacBook Pro: 53 m | Weight: 1.31 lbs | Dimensions: 6.18 x 2.12 x 1.93 in
The only thing worse than needing a power bank and not having one is having one but no way to connect it to your device. The Anker laptop power bank with built-in cable forgoes any clever naming scheme, but makes sure you’re never left without a way to charge your stuff.
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It has two attached USB-C cables: one attached to the side of the battery that acts as a carrying cable and another retractable cord that extends up to two feet. Both handle in/out functions so you can use them to refill a device or reup the battery itself.
The display tells you the amount of charge remaining in the battery pack as well as the output wattage that’s funneling towards your devices from each port. When refilling the battery, you can see an estimate of how long it will be until the unit is full. Calculating and displaying info like that takes up a bit of power but, in my testing, the unit outputs the same or a higher amount of charge compared with other 25,000 mAh batteries.
It’s an attractive, high-capacity bank, with matte silver exterior and a smaller display area than Anker’s Prime bank (our previous pick for this category). One of my concerns with that battery was the huge display area which was easily scratched. This newer unit feels more durable.
Two built-in USB-C cables so you’re never without a cord
Durable build
Display shows detailed charging information
Delivers a fast charge
Cons
Screen picks up smudges easily
Anker
Capacity: 26,250mAh | Maximum combined output: 300W | Ports: Two USB-C (140W), one USB-A (22.5W) | Cable: USB-C to USB-C (240W) | Number of charges iPhone 15: 5 – 5.5 | Charge time iPhone: 5 to 100% in 1h 41m | Number of charges Galaxy S23 Ultra: 4.3 | Charge time S23 Ultra: 1h 9m | Number of charges iPad Air: 2.5 | Charge time iPad: 5 to 100% in 1h 50m | Number of charges MacBook Pro: 0.83 | Charge time MacBook Pro: 1h 12m | Weight: 1.32 lbs | Dimensions: 6.3 x 1.5 x 2.5 in
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I knew it wouldn’t be long before I came across an app-connected power bank — the portable battery landscape is crowded and brands are no doubt looking for ways to stand out. Anker’s latest Prime Power Bank (26K, 300W) does stand out, but it’s not because of the app. Yes, it works, letting you see the remaining charge, how much power is going to a device and other bits of data on your phone. But I can’t imagine this info being important to most people. If it is, the same numbers are available on its built-in display anyway.
What’s actually impressive are the speeds the bank delivers, the large capacity and the extra simple recharging via the optional base. The three ports can be used all at once, with the two USB-C ports delivering up to 140 watts each. It’s tough to think of a scenario where that actually happens, as most devices recharge far below that wattage, but if you ever need to partially charge two high powered laptops at the same time, you can.
More commonly, the battery will simply give phones, tablets and laptops speedy refills. It got a near-dead iPhone 15 to 60 percent in a half hour and delivered more charge to my MacBook Pro than any other battery I’ve tested. The display not only tells you how much charge is left in the battery, it also has a temperature gauge — a wise thing to keep an eye on when it comes to lithium ion batteries.
The attractive and sleek design has a shiny black front where the display lives and a matte silver body. The bank is more compact than most 27,000mAh batteries out there. Anker made the battery a little wider and flatter than the last round of Prime devices, which makes it a bit easier to handle and somehow looks more elegant than the square brick did.
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The charging power base is a separate (and optional) purchase, but it makes recharging the battery extra convenient — you just plunk it down and walk away. It’s the same base used with the previous line of Anker Prime batteries, so if you have one already, you’re set. Unfortunately the base costs $110. Combined with the battery, that’s more than $300, but if you want a truly premium power bank, this is it.
Pros
Delivers a super fast charge
Sleek and premium design
Display shows remaining charge and battery temperature
Cons
Pricey, especially with the optional base
Photo by Amy Skorheim / Engadget
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Capacity: 15,000mAh | Maximum Output: 32W | Ports: One USB-C in/out, one USB-C in, one USB-A | Cable: USB-A to USB-C | Number of charges iPhone 11: 2.99 | Charge time iPhone 11: 0 to 100% 2h average and 0 to 99% in 1h 45m | Number of charges iPad Air: 1.17 | Charge time iPad: 0 to 100% 2h 23m and 0 to 17% 15m | Weight: 12.8 oz | Dimensions: 5.0 x 1.25 x 3.0 in
Plenty of battery packs are built to withstand drops and other abuse, but very few are waterproof or even water resistance. It makes sense; water and electrical charges aren’t good companions. The Nestout Portable Charger battery has an IP67 rating, which means it can handle being submerged in water for a number of minutes, and Nestout claims a 30-minute dunk in a meter of water shouldn’t interfere with the battery’s operation. I couldn’t think of a likely scenario where a power bank would spend a half hour in three feet of water, but I could see a backpacker traversing a river and submerging their pack for a few minutes, or a sudden downpour drenching all of their gear. So I tested by dropping the battery in a five gallon bucket of water for five minutes. After drying it off, the unit performed as if it had never been wet.
The water resistance comes courtesy of screw-on caps with silicone gaskets that physically keep the water out, so you’ll need to make sure you tighten (but don’t over tighten) the caps whenever you think wetness is in your future. The company also claims the battery lives up to a military-standard shock/drop specification which sounds impressive, but it’s hard to pin down what exactly that means. I figured it should at minimum survive repeated drops from chest height onto a hard surface, and it did.
As for charging speeds, it wasn’t quite as quick as our recommendation for a mid-capacity bank. The Belkin charged an iPhone 15 to 80 percent in under an hour and the Nestout got the smaller iPhone 11 to 80 percent in a little more than that. Another thing to note is that the supplied cable is short, just seven inches total, so you’ll likely want to use your own cord.
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Nestout also makes accessories for its batteries, which I found delightful. A dimmable LED worklight snaps on to the top of the battery while a small tripod holds them both up. The portable solar panel reminded me of a baby version of Biolite’s camping panels. Nestout’s version refilled the 15,000mAh bank to 40 percent in under three hours, which sounds slow, but is actually fairly impressive considering the compact size of the panels. This is also a blazingly hot summer, so I’d expect better performance in more reasonable weather.
Pros
Waterproof with the caps secured
Clever accessories (sold separately)
Survived drop tests
Cons
Not the fastest charge times
Included cable is short
What to look for in a portable battery pack
Battery type
Nearly every rechargeable power bank you can buy (and most portable devices) contain a lithium-ion battery. These beat other current battery types in terms of size-to-charge capacity, and have even increased in energy density by eight fold in the past 14 years. They also don’t suffer from a memory effect (where a battery’s lifespan deteriorates due to partial charges).
Flying with portable batteries
You may have heard about lithium ion batteries overheating and catching fire — a recent Hong Kong flight was grounded after just such a thing happened in an overhead bin. Current restrictions implemented by the TSA still allow external batteries rated at 100Wh or less (which all of our recommendations are) to fly with you, but only in your carry-on luggage — they can’t be checked.
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Recently, Southwest Airlines was the first in the industry to take that rule one step further. Now, flyers on that airline must keep power banks in clear view when using them to recharge a device. If the portable charger isn’t actively in use, however, it can stay in your carry-on bag in the overhead bin.
Capacity
Power bank manufacturers almost always list a battery’s capacity in milliamp hours, or mAh. Smaller batteries with a 5,000mAh capacity make good phone chargers and can fill a smartphone to between 50 and 75 percent. Larger batteries that can recharge laptops and tablets, or give phones multiple charges, can exceed 25,000mAh and we have a separate guide that covers that entire category.
Unsurprisingly, the prices on most batteries goes up as mAh capacity increases, and since batteries are physical storage units, size and weight go up with capacity as well. If you want more power, be prepared to spend more and carry around a heavier brick.
You might think that a 10,000mAh power bank could charge a 5,000mAh phone to 100 percent twice, but that’s not the case. In addition to simple energy loss through heat dissipation, factors like voltage conversion also bring down the amount of juice that makes it into your phone. Most manufacturers list how many charges a battery can give a certain smartphone. In our tests, 10,000mAh of battery pack capacity translated to roughly 5,800mAh of device charge. 20,000mAh chargers delivered around 11,250mAh to a device, and 25,000mAh banks translated to about 16,200mAh of charge. That’s an average efficiency rate of around 60 percent.
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Wireless
Wireless charging, whether through a bank or a plugged-in charging pad, is less efficient than wired connections. But it is convenient — and in most cases, you can carry around and use your phone as it refills with a magnetically attached power bank.
Power banks with wireless charging are far better than they once were. Just a couple years ago, the ones I tested were too inefficient to recommend in this guide. When batteries adhering to the Qi2 wireless charging standard started arriving in 2023, performance markedly improved.
To gain Qi2-certification, a device has to support speeds of up to 15 watts and include magnetic attachment points. The MagSafe technology on iPhones were once the only handsets that were Qi2-compatible, but now Google’s Pixelsnap tech brings both the higher speed and magnetic grip to Pixel 10 phones. Samsung may follow up with its own version in future releases.
The latest wireless charging standard, Q12 25W, is supported by the new iPhone 17 phones as well as the Google Pixel 10 Pro XL. Battery packs that are Qi2 25W-enabled are starting to hit the market as well, and the Ugreen MagFlow was the first on the scene.
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Ports
USB-C ports can deliver faster charges than USB-A ports, and most of the portable chargers we recommend here have Type-C connections. But Type-A jacks are still handy if you need to use a specialized cable for a certain device (my camera’s USB-A to micro USB cable comes to mind).
There’s also variation among USB-C ports. Larger banks with more than one port will sometimes list different wattages for each. For example, a bank with three ports may have two 65W ports and one 100W port. There will also be at least one in/out port on the bank, which can be used to charge the battery itself or to deliver a charge to your device. Wattages and in/out labels are printed right next to the port — and always in the tiniest font possible (remember, your phone is an excellent magnifying glass if you ever have trouble reading them).
As with standard wall chargers, the port’s wattage will determine what you can charge. A phone will happily charge off a 100W connection, but a 15W plug won’t do much for your laptop. And remember, the cable has to match the maximum wattage. A cable rated for 60W won’t deliver 100W speeds.
Luckily, some of the best power banks include a built-in USB-C cable. That’ll not only ensure you have the right cord, it’s one less thing you have to remember to bring along.
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Design
Once, most rechargeable batteries were black with a squared-off, brick-like design, but now they come in different colors and shapes with attractive finishes and detailing. While that doesn’t affect how they perform, it’s a consideration for something you’ll interact with regularly. Some portable power banks include extra features like MagSafe compatibility, a built-in wall plug or even a kickstand. Nearly all have some sort of indicator to let you know how much available charge your power bank has left, usually expressed with lighted pips near the power button. Some of the newer banks take that a step further with an LED display indicating remaining battery percentage.
How we test best power banks
First, I considered brands Engadget reviewers and staff have tried over the years and checked out customer ratings on retail sites like Amazon and Best Buy. Then, I acquired the most promising candidates and tested them in my home office.
Amy Skorheim for Engadget
For testing, I used each battery to charge both an iPhone and an Android phone, as well as an iPad and a MacBook Pro for the larger portable chargers. I let the devices get down to between zero and five percent and charged them until the devices were full or the power bank died.
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For reference, here are the battery capacities of the device I’ve used for testing over the years:
*The iPhone 17 has a slightly larger battery at 3,692mAh
I continuously update this guide as companies release new products.
Other power banks we tested
Here are a few picks that didn’t quite make the cut, but are worth mentioning.
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Belkin Stage PowerGrip
If you’re into iPhonography, this clever accessory could be worth a look. Belkin’s Stage PowerGrip is a 9,300mAh power bank that has both a wireless charging pad and built-in cable. But it’s also a Bluetooth shutter with a quarter-inch tripod thread. The design resembles a standard digital camera and provides a sturdy grip once you magnetically attach your phone (make sure you’re either using a MagSafe case or no case to ensure a solid connection).
The shutter is conveniently placed and the remote speed was quick enough to capture the cute things my cat was doing. The accessory can even act as a stand while it charges in either landscape or portrait orientation. As a power bank, it’s slow, taking about two hours to get my iPhone 16 from three to 98 percent, but it has enough juice for a full refill plus a little more, which could help if you’re out taking pictures all day.
Anker MagGo for Apple Watch power bank
The Anker MagGo for Apple Watch power bank combines a 10K battery with a built-in USB-C cable and a pop-up Apple Watch charger. I didn’t formally test it as it’s a little too niche, but it deserves a mention for saving my keister on two occasions. Driving to a hike, my watch told me it was down to 10 percent. Thankfully, I had this and could refill the watch before I got to the trailhead. Later, on an interstate trip, I realized the travel charging station I’d brought was a dud. This kept my watch alive for the week I was away. It does a good job simply charging a phone via the handy on-board cable, too. But for those with an Apple Watch, it’s extra useful.
HyperJuice 245W
Hyper’s massive-but-sleek brick is one nice looking power bank. The HyperJuice 245W packs a hefty 27,000mAh capacity, enough to refill my tester phone about four times and get a MacBook Pro from near-dead to 75 percent. It only has USB-C ports, but you at least get four of them. USB-C only is probably fine for most situations, but a USB-A port would be nice for charging the occasional older peripheral. The 245 wattage is pretty high for a power bank and it was indeed speedy. It filled a Samsung Galaxy S24 Ultra in just over an hour. But it’s the same price and capacity as our Mophie Powerstation pick for laptop banks, and that one has a better variety of ports. Hyper’s battery is also comparable to Anker’s laptop battery, which is cheaper, has built-in cables and has nearly the same capacity. Plus, that bank is just as swanky looking.
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EcoFlow Rapid magnetic power bank
I was curious to try out the first power bank from EcoFlow, a company that primarily makes larger power stations and whole-home backup batteries. The first offering in the brand’s Rapid series is a Qi2-enabled magnetic charger with a 5,000mAh capacity. It looks quite nice with shiny silver accents and soft-touch grey plastic on the MagSafe-compatible front. There’s a little pull-out leg that sturdily displays your phone as it charges and the attached USB-C cable lets you refill devices directly, then tucks out of the way when it’s not in use. But it didn’t outperform our top pick in the MagSafe category, in terms of both charging speeds and the amount of charge delivered.
Mophie Snap+ Powerstation Mini
The Mophie snap+ Powerstation Mini is terribly well-built. It feels premium with a rubberized contact point for the MagSafe charging pad and a stand that runs the entire width of the bank itself, making it extra sturdy. It’s compact, too, but only carries a 5,000mAh capacity, which gets you a partial charge on most newer or larger phones. Our current MagSafe/iPhone pick has double the capacity, a stand and a digital display — for just $20 more than the Powerstation Mini.
Power bank FAQs
What’s the difference between a portable power bank and a portable charger?
A slew of terms are used to describe power banks, including portable batteries, portable chargers, external battery packs and even, somewhat confusingly, USB chargers, which is what wall chargers are often called. They all mean the same thing: a lithium ion battery that stores a charge so you can refill a smartphone, tablet, earbuds, console controller, ereader, laptop, or just about any other device with its own built-in, rechargeable battery.
There’s little difference between the terms, so the specs you’ll want to pay attention to are capacity (expressed in mAh), size and weight so you can find the right balance between recharging what you need and portability.
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Power stations, on the other hand, are distinct. These are bigger units (often around the size of a car battery) that can be used to charge multiple devices multiple times, but notably, they can’t be taken on airplanes.
Does fast charging actually ruin your battery?
Not exactly. The real enemy of a battery’s longevity is heat. The faster you charge a battery, the more heat is generated. Modern phones have features that keep the battery cool while charging, like physical heat shields and heat sinks, as well as software features that slow down processes that generate too much heat. Phone manufacturers are keen to promote a phone’s fast-charging abilities, so they had to figure out ways to make faster charging work.
While there aren’t long-term studies on what fast charging does to a phone, a study on EV batteries (which use the same general concept of charged lithium ions flowing from one side of the battery to the other, absorbing or releasing a usable charge) showed a very slight decrease in capacity over time with only fast charging — though what actually made a larger difference was how hot the battery itself was, due to ambient temperatures, when it was charged.
In short, fast charging could be slightly harder on your battery than normal charging. But the safeguards most smartphones have make that difference fairly negligible. To really ensure you’re optimizing charging capabilities, limit your phone’s heat exposure overall.
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Can you use a power bank for all your devices?
That depends on the size of the bank and the size of your device’s battery. A small 5,000mAh battery isn’t strong enough to charge laptops, but a portable charger with a 20,000mAh capacity will give your computer a partial refill. You also have to consider port compatibility. If your device has a USB port, you’ll be able to easily find a cable to connect it to a battery. If your device has a more unique port, such as a DC port, you won’t be able to use a battery. Devices with an AC cable and plug can be charged, and sometimes powered (such as in the case of a printer or speaker), by larger laptop batteries with AC ports.
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Smart screens and speakers have found a permanent place in many of our households, since they help with playing music, controlling smart plugs, setting reminders, and much more. The use cases are plenty, especially when paired with other smart home gadgets that solve everyday problems. Speaking of pairing your smart speaker with external devices, the Amazon Echo Dot — one of Amazon’s most affordable and popular smart speakers — sports Bluetooth connections, which means it can be paired with some cool Bluetooth gadgets for added functionality. You can, for example, can pair multiple Echo speakers for a stereo setup or even connect external speakers with a better sound output during a party. Apart from audio, though, there are several other ways that you can take advantage of the Echo Dot’s Bluetooth module.
A few smart home gadgets, like smart light bulbs, often need a hub to function. However, if the bulb has Bluetooth support, it can be connected to and controlled by an Echo Dot without an external hub, which makes it a handy option. Similarly, there are other such gadgets that can take advantage of the Bluetooth Low Energy (BLE) protocol of the Echo Dot to establish a connection. Here are some of the best and most useful gadgets that we’ve found that can enhance your life and home. All you have to do is put your Echo Dot in pairing mode and connect the required device with the help of the Alexa app on your smartphone.
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Bluetooth speakers
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While there are several handy uses for an Amazon Echo Dot speaker, arguably the most popular one is playing music. This is primarily because it’s so quick and simple to ask Alexa to play your favorite album or track without having to manually look for it on your phone. Convenience aside though, Echo devices are capable speakers by themselves, which means the sound output is loud and clear. However, the small form factor means that the bass can be lacking, and the sound may not be able to fill a large room. If you’re having a party with your friends, you might miss out on that extra oomph. This is where the Echo Dot’s ability to connect to an external speaker comes into play.
If you have a Bluetooth speaker lying around at home, all you have to do is put it in pairing mode, head to the Alexa app, and connect the speaker to your Echo Dot. This works with pretty much any Bluetooth speaker, right from budget options to large home theatre setups. As long as the speaker is connected to the Echo Dot, all its responses — not just the songs — will play via the speaker itself. That said, the Echo device will still use its onboard microphones to detect and register your voice queries. This is one of the simplest yet the most popular uses that we’re sure a lot of you will appreciate. In case you don’t already have a speaker, the Anker Soundcore 2, which retails for around $30, is a user-favorite with a rating of 4.5 from close to 150K reviews.
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Smart bulbs
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The issue with a lot of good smart lighting solutions is that the installation process can be a headache — especially if they need a hub. Bluetooth smart bulbs are an easy fix, offering a plug-and-play solution. Modern Bluetooth bulbs from brands like Philips Hue or GE connect directly to your Echo Dot right out of the box, instead of requiring a central hub. This integration capability makes it an easy entry point into smart home automation. The biggest advantage of a system like this is that you can use bulbs and other smart home gadgets from multiple brands without worrying about compatibility.
Having a brand-agnostic solution helps avoid multiple issues. Once you invest in a Philips hub, for example, you may not be able to use bulbs from other brands with the same hub. This means you’re locked into the Philips ecosystem, unless you splurge on another hub from a different brand. Wi-Fi bulbs can already tackle this problem, but they can sometimes bog down your home network. Bluetooth bulbs, on the other hand, communicate locally with your Echo Dot. The feature set remains the same; you can set up daily routines so your lights slowly turn warmer in the evening, or shut down the entire house with a single phrase as you walk out the door. Additionally, you can connect as many bulbs via Bluetooth and operate the all individually. The Philips Hue 60W smart LED bulb, with its 4.7-star rating across more than 16,000 reviews, is a good starting point for under $50.
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Smart switches
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If you’re looking for creative use cases for your old Amazon Echo, smart switches are a good investment. The Switchbot smart switch button is an excellent replacement for old appliances and gadgets that lack internet connectivity; stick it beneath a manual switch and suddenly you can control it with your smartphone or Amazon Alexa device. Lots of devices and appliances launched in recent years may have built-in smart functionality to turn them on and off remotely. However, an old coffee maker or air purifier may not have the feature, and that’s exactly where a device like the Switchbot smart switch comes in handy. Once you connect it via Bluetooth to your Echo Dot, you can turn an appliance on or off with just your voice.
This works well with push-button switches, but you can’t use a single Switchbot to operate a larger, more traditional switch like the kind that controls the lights in your house both on and off. If you want both functionalities, you will have to purchase two Switchbots and install them on either side of the switch. While the product description mentions that you need a hub to use the device with Alexa, it’s only applicable to older Echo devices that cannot behave like a Bluetooth hub. With over 28,000 reviews and a rating of 4.1 stars, users definitely seem to love the Switchbot smart button thanks to its ability to use older gadgets easier. There’s something to be said about having a fresh cup of coffee waiting for you right after stepping out of the shower in the morning, isn’t there?
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Bluetooth turntables
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For those who have a large collection of vinyl records from back in the day, a Bluetooth turntable is pretty much a must-have. If you have one lying around, you would be glad to know that you can easily connect it to your Echo Dot. Since a good number of Bluetooth turntables have built-in wireless transmitters, you can wirelessly use your Echo Dot as a speaker instead of relying on your turntable’s internal one. Thanks to this setup, you can place your turntable at a distance from the Echo Dot without running audio wires all through the room.
This is a pretty neat trick; while the Echo Dot is usually the brain sending audio out to other speakers, in this scenario, it acts as the wireless receiver instead. The Audio-Technica wireless turntable is an excellent option in case you don’t have one already and are looking to buy one. It is pricey at around $230, but it’s got a solid 4.6-star rating across more than 8,700 reviews. Apart from a turntable, pretty much any other audio device that has a built-in Bluetooth transmitter can be used with an Echo Dot as well, so don’t feel like you’re limited to just spinning records remotely.
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How we picked these gadgets
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The primary criteria for a gadget to make it to this list is the fact that it connects to an Echo Dot speaker purely via Bluetooth and not Wi-Fi. Hence, it’s vital to note that not all types of gadgets of a particular kind may work via Bluetooth. An example of this is that not all smart bulbs support Bluetooth Low Energy connectivity. That’s why we’ve included suggested products that support the technology at play here; the ones we do recommend all have a rating of at least 4.1 stars across thousands of reviews. Additionally, all Echo devices — including the Echo Dot — need to be first connected to a Wi-Fi network for their initial setup before they can be used to connect to Bluetooth devices. Therefore, all the gadgets have been recommended with the assumption that you have access to a Wi-Fi network and that your Echo device is set up.
Last week, the European Parliament voted to let a temporary exemption lapse that had allowed tech companies to scan their services for child sexual abuse material (CSAM) without running afoul of strict EU privacy regulations. Meanwhile, here in the US, West Virginia’s Attorney General continues to press forward with a lawsuit designed to force Apple to scan iCloud for CSAM, apparently oblivious to the fact that succeeding would hand defense attorneys the best gift they’ve ever received.
Two different jurisdictions. Two diametrically opposed approaches, both claiming to protect children, and both making it harder to actually do so.
I’ll be generous and assume people pushing both of these views genuinely think they’re doing what’s best for children. This is a genuinely complex topic with real, painful tradeoffs, and reasonable people can weigh them differently. What’s frustrating is watching policymakers on both sides of the Atlantic charge forward with approaches that seem driven more by vibes than by any serious engagement with how the current system actually works — or why it was built the way it was.
The European Parliament just voted against extending a temporary regulation that had exempted tech platforms from GDPR-style privacy rules when they voluntarily scanned for CSAM. This exemption had been in place (and repeatedly extended) for years while Parliament tried to negotiate a permanent framework. Those negotiations have been going on since November 2023 without resolution, and on Thursday MEPs decided they were done extending the stopgap.
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To be clear, Parliament didn’t pass a law banning CSAM scanning. Companies can still technically scan if they want to. But without the exemption, they’re now exposed to massive privacy liability under EU law for doing so. Scanning private messages and stored content to look for CSAM is, after all, mass surveillance — and European privacy law treats mass surveillance seriously (which, in most cases, it should!). So the practical effect is a chilling one: companies that were voluntarily scanning now face significant legal risk if they continue.
The digital rights organization eDRI framed the issue in stark terms:
“This is actually just enabling big tech companies to scan all of our private messages, our most intimate details, all our private chats so it constitutes a really, really serious interference with our right to privacy. It’s not targeted against people that are suspected of child abuse — It’s just targeting everyone, potentially all of the time.”
And that argument is compelling. Hash-matching systems that compare uploaded images against databases of known CSAM are more targeted than, say, keyword scanning of every message, but they still fundamentally involve examining every unencrypted piece of content that passes through the system. When eDRI says it targets “everyone, potentially all of the time,” that’s an accurate description of how the technology works.
But… the technology also works to find and catch CSAM. Europol’s executive director, Catherine De Bolle, pointed to concrete numbers:
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Last year alone, Europol processed around 1.1 million of so-called CyberTips, originating from the National Center for Missing & Exploited Children (NCMEC), of relevance to 24 European countries. CyberTips contain multiple entities (files, videos, photos etc.) supporting criminal investigation efforts into child sexual abuse online.
If the current legal basis for voluntary detection by online platforms were to be removed, this is expected to result in a serious reduction of CyberTip referrals. This would undermine the capability to detect relevant investigative leads on CSAM, which in turn will severely impair the EU’s security interests of identifying victims and safeguarding children.
The companies that have been doing this scanning — Google, Microsoft, Meta, Snapchat, TikTok — released a joint statement saying they are “deeply concerned” and warning that the lapse will leave “children across Europe and around the world with fewer protections than they had before.”
So the EU’s privacy advocates aren’t wrong about the surveillance problem. Europol isn’t wrong about the child safety consequences. Both things are true — which is what makes this genuinely tricky rather than a case of one side being obviously right.
Now flip to the United States, where the problem is precisely inverted.
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In the US, the existing system has been carefully constructed around a single, critical principle: companies voluntarily choose to scan for CSAM, and when they find it, they’re legally required to report it to NCMEC. The word “voluntarily” is doing enormous load-bearing work in that sentence — and most of the people currently shouting about CSAM don’t seem to know it. As Stanford’s Riana Pfefferkorn explained in detail on Techdirt when a private class action lawsuit against Apple tried to compel CSAM scanning:
While the Fourth Amendment applies only to the government and not to private actors, the government can’t use a private actor to carry out a search it couldn’t constitutionally do itself. If the government compels or pressures a private actor to search, or the private actor searches primarily to serve the government’s interests rather than its own, then the private actor counts as a government agent for purposes of the search, which must then abide by the Fourth Amendment, otherwise the remedy is exclusion.
If the government – legislative, executive, or judiciary – forces a cloud storage provider to scan users’ files for CSAM, that makes the provider a government agent, meaning the scans require a warrant, which a cloud services company has no power to get, making those scans unconstitutional searches. Any CSAM they find (plus any other downstream evidence stemming from the initial unlawful scan) will probably get excluded, but it’s hard to convict people for CSAM without using the CSAM as evidence, making acquittals likelier. Which defeats the purpose of compelling the scans in the first place.
In the US, if the government forces Apple to scan, that makes Apple a government agent. Government agents need warrants. Apple can’t get warrants. So the scans are unconstitutional. So the evidence gets thrown out. So the predators walk free. All because someone thought “just make them scan!” was a simple solution to a complex problem.
Congress apparently understood this when it wrote the federal reporting statute — that’s why the law explicitly disclaims any requirement that providers proactively search for CSAM. The voluntariness of the scanning is what preserves its legal viability. Everyone involved in the actual work of combating CSAM — prosecutors, investigators, NCMEC, trust and safety teams — understands this and takes great care to preserve it.
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Everyone, apparently, except the Attorney General of West Virginia. As we discussed recently, West Virginia just filed a lawsuit demanding that a court order Apple to “implement effective CSAM detection measures” on iCloud. The remedy West Virginia seeks — a court order compelling scanning — would spring the constitutional trap that everyone who actually works on this issue has been carefully avoiding for years.
As Pfefferkorn put it:
Any competent plaintiff’s counsel should have figured this out before filing a lawsuit asking a federal court to make Apple start scanning iCloud for CSAM, thereby making Apple a government agent, thereby turning the compelled iCloud scans into unconstitutional searches, thereby making it likelier for any iCloud user who gets caught to walk free, thereby shooting themselves in the foot, doing a disservice to their client, making the situation worse than the status quo, and causing a major setback in the fight for child safety online.
The reason nobody’s filed a lawsuit like this against Apple to date, despite years of complaints from left, right, and center about Apple’s ostensibly lackadaisical approach to CSAM detection in iCloud, isn’t because nobody’s thought of it before. It’s because they thought of it and they did their fucking legal research first. And then they backed away slowly from the computer, grateful to have narrowly avoided turning themselves into useful idiots for pedophiles.
The West Virginia complaint also treats Apple’s abandoned NeuralHash client-side scanning project as evidence that Apple could scan but simply chose not to. What it skips over is why the security community reacted so strongly to NeuralHash in the first place. Apple’s own director of user privacy and child safety laid out the problem:
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Scanning every user’s privately stored iCloud content would in our estimation pose serious unintended consequences for our users… Scanning for one type of content, for instance, opens the door for bulk surveillance and could create a desire to search other encrypted messaging systems across content types (such as images, videos, text, or audio) and content categories. How can users be assured that a tool for one type of surveillance has not been reconfigured to surveil for other content such as political activity or religious persecution? Tools of mass surveillance have widespread negative implications for freedom of speech and, by extension, democracy as a whole.
Once you create infrastructure capable of scanning every user’s private content for one category of material, you’ve created infrastructure capable of scanning for anything. The pipe doesn’t care what flows through it. Governments around the world — some of them not exactly champions of human rights — have a well-documented habit of demanding expanded use of existing surveillance capabilities. This connects directly to the perennial fights over end-to-end encryption backdoors, where the same argument applies: you cannot build a door that only the good guys can walk through.
And then there’s the scale problem. Even the best hash-matching systems can produce false positives, and at the scale of major platforms, even tiny error rates translate into enormous numbers of wrongly flagged users.
This is one of those frustrating stories where you can… kinda see all sides, and there’s no easy or obvious answer:
Scanning works, at least somewhat. 1.1 million CyberTips from Europol in a single year. Some number of children identified and rescued because platforms voluntarily detected CSAM and reported it. The system produces real results.
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Scanning is mass surveillance. Every image, every message gets examined (algorithmically), not just those belonging to suspected offenders. The privacy intrusion is real, not hypothetical, and it falls on everyone.
Compelled scanning breaks prosecutions. In the US, the Fourth Amendment means that government-ordered scanning creates a get-out-of-jail card for the very predators everyone claims to be targeting. The voluntariness of the system is what makes it legally functional.
Scanning infrastructure is repurposable. A system built to detect CSAM can be retooled to detect political speech, religious content, or anything else. This concern is not paranoid; it’s an engineering reality.
False positives at scale are inevitable. Even highly accurate systems will flag innocent content when processing billions of items, and the consequences for wrongly accused individuals are severe.
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People can and will weigh these tradeoffs differently, and that’s legitimate. The tension described in all this is real and doesn’t resolve neatly.
But what both the EU Parliament’s vote and West Virginia’s lawsuit share is an unwillingness to sit with that tension. The EU stripped legal cover from the voluntary system that was actually producing results, without having a workable replacement ready. West Virginia is trying to compel what must remain voluntary, apparently without bothering to read the constitutional case law that makes compelled scanning self-defeating. From opposite directions, both approaches attack the same fragile voluntary architecture that currently threads the needle between these competing interests.
The status quo in the United States — voluntary scanning, mandatory reporting, no government compulsion to search — is far from perfect. But the system functions: it produces leads, preserves prosecutorial viability, and does so precisely because it was designed by people who understood the tradeoffs and built accordingly.
It would be nice if more policymakers engaged with why the system works the way it does before trying to blow it up from either direction. In tech policy, the loudest voices in the room are rarely the ones who’ve done the reading.
Karin Keller-Sutter, Switzerland’s finance minister and the country’s former president, has filed criminal charges for defamation and insult after Elon Musk’s AI chatbot Grok was prompted by an anonymous user to generate a torrent of sexist and vulgar remarks about her on X. The complaint, filed on 20 March with the Bern public prosecutor’s office, is directed against “persons unknown” because the X user who prompted Grok could not be identified beyond a screen name. It is, by all available evidence, the first time a serving head of a national finance ministry has pursued criminal action against an AI-generated statement.
The incident occurred on 10 March, when a user on X instructed Grok to “roast” a figure they described as “Federal Councillor KKS, my favourite chick,” urging the chatbot to attack her in crude street language. Grok complied. The resulting post, a barrage of misogynistic abuse attributed to the chatbot, was published on Keller-Sutter’s feed. A spokesperson for the minister told Politico that the post was not “a contribution protected by freedom of expression or part of the political debate, but rather a pure denigration of a woman.” The spokesperson added: “One must fundamentally defend oneself against such misogynistic statements.”
Keller-Sutter is no minor political figure. She heads the Federal Finance Department and is one of seven members of the Swiss Federal Council, the country’s highest executive authority. In 2025, she served as president of the Swiss Confederation, a role that rotates annually among the council members. Before entering federal politics, she studied political science in London and Montreal, served as a cantonal justice minister, and presided over the Council of States. Her decision to file criminal charges rather than simply delete the post signals an intent to test whether Swiss defamation law, which criminalises both defamation under Article 173 and slander under Article 174 of the penal code, can reach the operators of AI systems and the platforms that host them. The legal question at the heart of the complaint is whether social media companies and their operators, in addition to individual users, can be held criminally liable for content generated by their own AI tools.
That question has not been answered anywhere in the world, but courts are beginning to confront it. In the United States, conservative activist Robby Starbuck sued Meta in 2025 after its AI falsely linked him to the January 6 Capitol riot; Meta settled rather than litigate. A Georgia court dismissed a separate defamation case against OpenAI after ChatGPT fabricated claims about a radio host, ruling that the legal threshold for fault had not been met. No AI defamation case has reached a final judgment in any jurisdiction. Keller-Sutter’s complaint, filed under a criminal rather than civil framework and in a country whose defamation statute carries prison sentences of up to three years for deliberate slander, could establish the first binding precedent on AI platform liability for generated speech.
The filing arrives against the backdrop of what has become the most sustained regulatory crisis in Grok’s brief existence. Between 29 December 2025 and 8 January 2026, Grok’s image-generation tools created more than three million sexualised images, approximately 23,000 of which depicted minors, according to the Centre for Countering Digital Hate. The discovery triggered a cascade of legal and regulatory actions that has not stopped. On 2 January, French ministers reported the content to prosecutors, calling it “manifestly illegal.” On 12 January, the United Kingdom’s Ofcom opened a formal investigation into whether X had complied with the Online Safety Act, with potential penalties of up to £18 million or 10 per cent of global revenue. On 14 January, California’s attorney general announced a state investigation into whether xAI had violated California law. On 26 January, the European Commission opened a probe under the Digital Services Act into whether Grok’s deployment met the platform’s legal obligations regarding illegal content and harm to minors.
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The enforcement actions escalated sharply in February. On 3 February, French prosecutors, accompanied by a cybercrime unit and Europol officers, raided X’s Paris offices. The investigation, originally opened over complaints about platform operation and data extraction, had widened to include charges of complicity in distributing child sexual abuse material, creating sexually explicit deepfakes, and Holocaust denial. Prosecutors have since summoned Musk and X’s former chief executive Linda Yaccarino for voluntary interviews on 20 April. A Dutch court separately ordered Grok banned from generating non-consensual intimate images. The EU had already fined X €120 million in December 2025 for violating the DSA’s transparency requirements, a penalty X is nowchallenging in what has become the first court test of the bloc’s landmark digital regulation.
In the United States, three Tennessee teenagers filed a class-action lawsuit against xAI on 16 March, alleging that Grok had been used to create sexualised images of them without their knowledge or consent. The images were reportedly shared on Discord and other platforms. On 25 March, Baltimore became the first American city to sue xAI over Grok-generated deepfake pornography, alleging violations of consumer protection law. A separate class action, filed by Lieff Cabraser Heimann & Bernstein, alleges that xAI knowingly designed and profited from an image generator used to produce and distribute child sexual abuse material while refusing to implement the content-safety measures adopted by every other major AI company.
The governance vacuum at xAI compounds the legal exposure.All 11 of xAI’s original co-founders have now departed the company, including researchers recruited from Google DeepMind, Google Brain, and Microsoft Research. Musk said in March that xAI was “not built right the first time around” and needed to be rebuilt from its foundations. The company was absorbed into SpaceX in February throughan all-stock merger that raised immediate governance questions, creating a combined entity valued at $1.25 trillion that is now preparing for what would be the largest initial public offering in history. The regulatory and litigation risks surrounding Grok are, in effect, now embedded in the prospectus of a company seeking a $1.75 trillion public valuation.
What makes Keller-Sutter’s complaint distinct from the deepfake and CSAM cases is its simplicity. It does not involve image generation, undressing algorithms, or child exploitation. It involves a chatbot that was asked to insult a named public official and did so in language that, under Swiss law, constitutes a criminal offence. The factual question is narrow: who is responsible when an AI system, operating on a commercial platform, generates defamatory speech at a user’s request? If the user cannot be identified, does liability pass to the platform operator, to the AI developer, or to no one at all?
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The answer to that question will shapethe trajectory of AI governancefar beyond Switzerland. Every major AI company operates chatbots capable of producing defamatory, abusive, or factually false statements about real people. Most have implemented guardrails designed to refuse such requests. Grok, by deliberate design, has operated with fewer restrictions than its competitors, a positioning Musk has marketed as a commitment to free expression. The Keller-Sutter case tests whether that positioning can survive contact with criminal law.
Switzerland is not the European Union and is not bound by the DSA. But Swiss defamation law is among the most stringent in Europe, and a criminal finding against an AI platform operator would reverberate through every jurisdiction currently weighing similar questions. The case is small in scope, involving a single post on a single platform about a single official. But the principle it seeks to establish, that the companies building these systems bearthe kind of legal responsibility that the age of AI governance demands, is anything but small. If Grok can be prompted to defame a former president with impunity, the question is not what it says about the technology. It is what it says about the law.
We’ve seen our fair share of audiophile tomfoolery here at Hackaday, and we’ve even poked fun at a few of them over the years. Perhaps one of the most outrageously over the top that we’ve so far seen comes from [Pierogi Engineering] who, we’ll grant you not in a spirit of audiophile expectation, has made a set of speaker interconnects using liquid mercury.
In terms of construction they’re transparent tubes filled with mercury and capped off with 4 mm plugs as you might expect. We hear them compared with copper cables and from where we’re sitting we can’t tell any difference, but as we’ve said in the past, the only metrics that matter in this field come from an audio analyzer.
But that’s not what we take away from the video below the break. Being honest for a minute, there was a discussion among Hackaday editors as to whether or not we should feature this story. He’s handling significant quantities of mercury, and it’s probably not over reacting to express concerns about his procedures. We wouldn’t handle mercury like that, and we’d suggest that unless you want to turn your home into a Superfund site, you shouldn’t either. But now someone has, so at lease there’s no need for anyone else to answer the question as to whether mercury makes a good interconnect.
Drone technology has changed the face of combat, especially for missions that require both precision and stealth. In fact, one cutting-edge drone can shoot down an enemy jet without ever seeing it. Drone engine technology may be changing as well, thanks to Honeywell Aerospace. The company won a contract from the U.S. Air Force to build a new propulsion system, which is expected to be more advanced than anything currently in use.
The new engine will take cues from Honeywell’s small-thrust-class SkyShot 1600 engine. The SkyShot is a compact and flexible engine built for unmanned military aircraft. It’s a versatile system, capable of working as either a turbojet or turbofan, while also delivering thrust between 800 and 2,800 pounds. The design can be modified to allow for even higher output if needed. The engine is built to handle high G-forces, giving Air Force drones the ability to track and catch fast-moving targets.
Honeywell plans to use digital modeling for faster design, which also speeds up the performance evaluation stage. Because of this, development and manufacturing timelines are expected to shorten. Honeywell will be able to deliver the new propulsion system in a quicker timeframe. This approach allows for a smoother integration with other aircraft systems and helps improve manufacturing efficiency while making the supply chain stronger.
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How Honeywell technology supports unmanned aircraft
Honeywell Aerospace is an established player in the world of military drone technology, and their systems are used in a number of unmanned aircraft. That includes the fast and expensive MQ-9 Reaper, a commonly used combat drone. These systems include avionics and other tech that support flight operations and aircraft capability. The engine Honeywell built for the Reaper is the TPE-331, a turboprop that was initially designed in 1959.
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Honeywell also designed and produced onboard systems for the Boeing MQ-25 Stingray, an unmanned aircraft used by U.S. Navy carriers to refuel planes while in flight. The Stingray’s introduction is just one of the big changes to hit the U.S. military’s fleet in 2025. In addition to designing crucial systems, Honeywell specializes in a variety of drone components, from flight controls to mission computers, radar, and more.
Thanks to an agreement with the U.S. government, Honeywell will begin increasing production of military components and related defense systems. The announcement was made in March of 2026 and though drones weren’t specifically mentioned, the technologies referenced are regularly used in modern unmanned aircraft. Those technologies include actuators, navigation systems, and combat-ready electronic devices.
Photo credit: Wall Street Journal The Wall Street Journal recently got a rare look inside Apple Park as part of the company’s 50th anniversary celebrations, with reporters joining Tim Cook for a walk through an archive that Cook himself admitted he had barely visited until preparations for the milestone began pulling decades of stored material back into the light.
The first thing that caught his eye was Apple’s original patent filing for the Apple II, a single document that Cook said effectively opened the floodgates for what eventually became more than 140,000 patent applications. A small drawing on a piece of paper that quietly set the direction for everything that followed.
MIGHT TAKES FLIGHT — MacBook Air with the M5 chip packs blazing speed and powerful AI capabilities into an incredibly portable design. With Apple…
SUPERCHARGED BY M5 — With its faster CPU and unified memory, the M5 chip delivers even more performance and fluidity across apps, making…
APPLE INTELLIGENCE — Apple Intelligence is the personal intelligence system that helps you write, express yourself, and get things done…
An early 2001 iPod prototype came next, and Cook recalled the feeling of holding it for the first time a few years after joining the company. The idea of carrying a thousand songs in your pocket felt genuinely unbelievable at a moment when most people were still rotating five CD changers on road trips. He remembered loading a Beatles song the moment he got his hands on one and how that little white device changed his daily commute.
The 2007 iPhone launch remains Cook’s favorite moment in the company’s history, and a circuit board from one of the first working prototypes sitting on the table illustrated just how far the engineering team had to travel to get there. It looked more like a cutting board than something destined for a pocket, an early proof of concept that needed everything working together before the whole thing could be miniaturized. Cook noted that even inside Apple, employees were walking around with early models watching keys and coins scratch the plastic casing. Steve Jobs made the call to switch to glass within a matter of months, a timeline Cook described as close to impossible, comparing it to trying to land on the moon between January and June.
Cook touched on projects that never made it, framing each one as something the team learned from before showing up the next morning and getting back to work. That steadiness, he suggested, is what carried the company through five decades of setbacks and breakthroughs alike. An early Apple Watch prototype rounded out the tour, and Cook’s attention shifted forward, pointing to the combination of hardware, software, and services as the space where the next significant leap is most likely to come from.
NASA is going back to the Moon! We’ll follow the crew of Artemis II every step of the way.
Day 1 – Liftoff!
After resolving a last-minute communications issue with the Flight Termination System (FTS), the Artemis II Space Launch System (SLS) rocket lifted off from Launch Complex 39B at NASA’s Kennedy Space Center in Florida at 6:35 PM EDT.
Main engine cutoff (MECO) for the SLS rocket occurred at 6:43 PM, placing the Orion spacecraft and crew members Reid Wiseman, Victor Glover, Christina Koch, and Jeremy Hansen safely into orbit around the Earth. Just before 7:00 PM, all four solar array “wings” were successfully deployed from the European Service Module.
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The next major milestones are the perigee and apogee raise maneuvers — two engine burns which will put the Orion spacecraft into a higher orbit, necessary for the eventual trans-lunar injection (TLI) burn which will put the vehicle on course for the Moon.
April is a strong month for horror with some of the biggest franchises and originals available to watch from the comfort of your living room. The month is typically associated with pranks and comedies, but if you want something more macabre, I’ve got you covered.
Here are my 7 top horror picks arriving across streaming services this April.
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Alien
Alien Trailer HD (Original 1979 Ridley Scott Film) Sigourney Weaver – YouTube
When: April 1 Where: HBO Max (US); Disney+ (UK, AU)
Ridley Scott’s iconic sci-fi horror Alien is streaming throughout April, if you want to revisit one of the greats. And if you haven’t seen this masterpiece of a movie, now is the perfect time.
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Alien is well-loved for its groundbreaking effects in the 70s, its iconic Xenomorph creature design, and the atmospheric tension that builds throughout. Other Alien movies can also be found on HBO Max and Disney+, but you really can’t beat the first one, even if some people do think Aliens was better!
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2025’s Deathstalker is a remake of the 1983 movie of the same name. Those looking for dark fantasy won’t want to miss this addition to Shudder’s library, as an alternative to some of the more modern horror movies it offers.
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Daniel Bernhardt and Patton Oswalt lead the cast of the remake, which follows a powerful swordsman known as Deathstalker after he recovers a cursed amulet from a corpse-strewn battlefield. When he’s marked by dark magic and hunted by monstrous assassins, he must face the rising evil and break the curse before it’s too late.
Five Nights at Freddy’s 2
Five Nights at Freddy’s 2 | Official Trailer – YouTube
When: April 3 Where: Peacock (US); rent or buy (AU)
Are you ready for Freddy? The sequel arrives on Peacock in April, following a successful box office run. Despite being panned critically, Freddy Fazbear and friends continue to have a dedicated fanbase, so if you’re part of that, you’ll be happy to know it’s coming to streaming.
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The adaptation of the successful horror game is set a year and a half after the previous movie, where we follow young Abby Schmidt as she gets manipulated by the Marionette, an animatronic from the original Freddy Fazbear’s Pizza restaurant, who wants revenge against her parents. The Marionette is one of the creepiest figures in the games, and now you get to see it come to life on film.
Earwig
EARWIG | Official Trailer | Now showing on MUBI – YouTube
Earwig is a strange movie, but when you’re a horror fan, that’s often a compliment. Set in a bleak post-war Europe, we follow a middle-aged man, Albert, as he cares for a young girl named Mia, who has no teeth.
Every day, he makes her new dentures out of ice, and one day, he’s told by a mysterious voice to prepare Mia for the outside world, where she has never been. Described as both a melodrama and a body horror, it’s a disturbing movie that may divide fans, but I can certainly say it’s stuck with me for a while.
When: April 10 Where: Netflix (US); Paramount+ (UK); rent or buy (AU)
2022’s Scream is the fifth entry into the slasher franchise, and why it wasn’t just called Scream 5 continues to baffle me. Anyway, don’t let that deter you; it is a very strong movie and one of my favorites in the series.
Despite the name, it’s not a remake; instead, it focuses on a new core cast of characters, though original stars like Courteney Cox, David Arquette, and Neve Campbell reprise their roles.
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A Quiet Place Part II
A Quiet Place Part II (2021) – Final Trailer – Paramount Pictures – YouTube
When: April 11 Where: Netflix (US); Paramount+ (UK); rent or buy (AU)
Ahead of A Quiet Place Part III, which is due next year, why not catch up with the second in the successful horror series? It’s arriving on Netflix for US audiences, while UK audiences can watch on Paramount+.
A Quiet Place Part II continues to focus on the Abbott family (except for John Kransinski’s Lee) as they try to survive in a post-apocalyptic world inhabited by blind aliens with an acute sense of hearing, so it’s critical that they monitor how much noise they make. Horror doesn’t get much more tense than this.
Dolly
Dolly – Official Trailer (2026) Fabianne Therese, Seann William Scott, and Max the Impaler. – YouTube
Finally, at the end of April, we have Dolly. Creepy dolls are a staple in the horror genre, just look at Annabelle and Chucky, but this movie has got me creeped out by the synopsis alone.
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Terror strikes when Macy and her boyfriend Chase are attacked while camping, and Macy is abducted by a tall, menacing figure who treats her as if she were a living doll. NWA wrestler Max the Impaler plays said figure, making it their movie debut.
You know what they say — you can’t keep a good website down. OldVersion.com, the repository of outdated software that has been serving up old versions of tools you need for the last twenty-five years, is not going away as we reported last year. Not only is it sticking around, it’s gotten a retro facelift inspired by Windows 3.1 or OS/2. Mostly Windows, given the screensaver, but we’ll let you find that for yourself.
We’re thrilled to see that OldVersion has gotten the support they need to keep going after running into financial troubles. According to founder Alex Levine, some of that support came as a result of the Hackaday article reporting on the then-upcoming closure, so kudos to you guys for stepping up.
While we absolutely love the retro redesign of the new website, that’s one thing notably lacking — an obvious donation button. Well, that and old-school HTTP support so you can get on with your retromachines, but that, at least, is in the works according to the site roadmap. It’s a little weird that in this year of the common era 2026 you have to do extra work to give up on HTTPS functionality, but it is the way it is.
In the meantime, the site is fully usable as long as you have HTTPS capability, or go through a proxy. Perhaps you could use this ESP8266 code to get started making one, if you don’t want to embarrass your old computer by using something more powerful than it as a pass-through.
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Speaking of proxies, if old versions of software aren’t enough for you, how about an old version of the internet? We heard you like old versions, so you can visit an old version of OldVersion!
Note that if you’re reading this after 01/04/2026, the look-and-feel of OldVersion.com may not match what’s depicted here.
SpaceX is looking to the heavens for its upcoming initial public offering based on a $1.75 trillion valuation, according to confidential paperwork filed with the US Securities and Exchange Commission.
As reported by Bloomberg, the draft IPO registration is the first step toward a possible June offering that could raise approximately $75 billion. The filing allows the company to get feedback from the SEC before the information is released publicly.
The IPO may be open to more people than just the wealthiest investors. According to a report by The Motley Fool, SpaceX plans to allocate around 30% of the initial shares to “retail investors,” meaning individual investors. Normal retail allocation tends to be around 10% of shares.
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A SpaceX representative didn’t immediately respond to a request for comment.
Why a SpaceX IPO is a big deal
Spaceflight is an incredibly expensive endeavor; SpaceX gets billions of dollars from the US government to launch satellites and help keep NASA’s programs running. Almost a year ago, the company set a target of launching every other day through the end of 2025 and ended up launching a record 165 orbital flights.
But SpaceX is no longer just a high-flying rocket company. Its Starlink division provides data access to homes, remote locations, airlines and direct to many mobile phones in areas where there’s no cellular coverage. It also recently acquired xAI, another of Elon Musk’s companies, and owns the social media site X (formerly Twitter).
It’s the AI angle that seems to be driving up the company’s valuation ahead of the IPO. The xAI all-stock acquisition valued the company and SpaceX at $1.25 trillion. This year, OpenAI and Anthropic PBC are also expected to go public.
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Although those numbers are eye-popping, the company has plenty of challenges before it can get off the launchpad.
Starlink has announced a plan to send up new V3 third-generation satellites that should bring gigabit internet speeds to its network, but those won’t be ready until 2027. Getting them up requires SpaceX’s heavy-duty Spacecraft vehicle, which has had limited success in testing so far. In the meantime, its current Starlink satellites have been exploding in orbit as recently as this week.
And for xAI, the skies aren’t exactly clear despite the current fervor for all things AI. Musk announced in mid-March that “xAI was not built right first time around, so is being rebuilt from the foundations up.” And the company is being sued by three teen girls and their guardians for “devastating” harm caused by its Grok AI generating child sexual abuse images.
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