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After new tests, we have a few new options: Belkin BoostCharge Plus 10K, TravelCard Plus and Scosche GoBat 10K. We will update this guide with our full tests as soon as possible.
Update Best Portable Battery Bank Review
Whether you’re the owner of a cell phone that can’t last a day on a full charge, or you just need a temporary battery, a USB power bank is the cure for low battery pressure. After spending 21 hours of research and 55 hours of testing, we have found that the Zendure SuperMini 20W is the best power bank for charging phones, tablets or other small devices. It’s a good all around portable charger that can give you peace of mind when the wall power goes out.
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This is the smallest and lightest 10,000 mAh power bank we’ve tested. It has USB-C PD and USB-A ports, it comes in several colors, and its rounded edges make it easy to fit in a pocket.
The Zendure SuperMini 20W is about as small and light as a power bank while still having enough capacity to charge up to three mobile phones. Its USB-C power delivery (PD) port can charge most handheld devices (and recharge the power bank itself) at the fastest possible speed with a USB-C cable and wall charger (the one that came with your phone will work). The USB-A port can handle older non-USB-C devices you may have kicked out as well. The SuperMini’s rounded edges make it easy to hold and slip into a pocket, and unlike most power banks, it comes in different colors: red, green, black, silver, blue and red.
As the author of this guide, I spent 21 hours researching and 55 hours testing USB power banks and mobile devices. I have been a science journalist for nearly ten years, covering a wide range of topics from particle physics to satellite remote sensing. Since joining Wirecutter in 2017, I’ve posted about lightning protection, USB-C cables and adapters, power stations, and more.
Most people can use a USB power bank (also called an external battery, backup battery or portable charger) to charge phones and other devices on the go. The question is, which one best suits your personality? Some may only need a small battery to power their phone through the day, while many travelers will be looking to power multiple devices over the course of several days. No need to constantly track down a wall outlet wherever you go, having a USB power bank allows you to enjoy the easy (albeit limited) portability of power fab rice
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While you’re blessed with many ways to charge in your daily life—maybe you spend most of your day at home, at work, or in the car—you can benefit from a power bank. A great big wallet to always have around for those unexpected (yet important) times when your phone dies and there’s no outlet nearby. But if you need something for a weekend trip or a regular trip, a small bank can still easily fit in a laptop bag, purse or large trouser bag, providing two or more charges for most smartphones. This power bank is powerful yet portable, allowing you to charge devices such as wireless headphones, computer mice, keyboards, vaporizers, digital cameras and more.
Most people can use a USB power bank. The question is, which one best suits your personality?
When you’re traveling in the unknown – relying on your phone to guide you and be able to call for help – a power bank provides extra peace of mind. Tip: Leaving a few of these around the house isn’t a bad idea: You can keep one in your chair to hold when you run out the door, or one near the seat when you’re snuggled up underneath. blanket and really, do not want to stand attached to your phone.
Due to the unfortunate fact that battery technology has failed to keep up with the performance of today’s devices, USB banks have become an increasingly popular way to power the latest phones and tablets. With so many brands and models to choose from, we checked major retailers like Amazon, Home Depot and Target — as well as reputable publications like CNET, PCMag, PCWorld and TechRadar — to find the most popular of the widely available USB power banks. From there, we generate a list of candidates based on the following characteristics:
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The Zendure SuperMini 20W is the total package when charging a smartphone or other small electronic device on the go. It’s compact and light – about the size of a deck of cards and as heavy as the iPhone 13 – yet its ability to measure is as high as any we’ve tested. If you want a power bank that you can easily slip into a pocket or purse when you’re out the door but still have enough juice to charge a smartphone on a typical phone about three times, this is acceptable.
The Zendure has ports on each end: a USB-C PD port on one side that works for both output and input (meaning how you recharge the power bank itself), and a standard output-only USB-A port on the other. . In our tests, we measured a maximum output of 18.6 watts and a maximum output of 19.3 watts from the USB-C port, and a maximum output of 16.6 watts from the USB-A port. Although this number is slightly less than the rated output of 20 W, the SuperMini is still powerful enough to charge most devices at maximum speed from the port, or to charge two devices at once with a slightly slower wait. With a rated capacity of 10,000 mAh, you can charge your phone up to three times (or make instant friends by broadcasting a stranger’s phone too – the “boring drink cigarette” of the digital age).
The Zendure SuperMini 20W has a USB-C Power Delivery (PD) port to quickly charge your device and recharge the power bank itself, as well as a standard USB-A charging port. Photo: Sarah Kobos
The outside of the Zendure is a strong plastic shell, glossy and scratch and scratch resistant. It comes in a variety of colors (red, green, black, silver, blue and pink) and, measuring just 3.1 by 2.2 by 1 inch, fits in the palm of your hand. It weighs 6.4 ounces – about the same as a hockey puck, which is lighter than other 10,000 mAh power banks we’ve tested.
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The SuperMini unit is backed by Zendure’s two-year warranty – longer than the models we’ve tested – which should give you plenty of time to test it out and make sure you don’t have any problems. We’ve also had great experience with Zendure’s customer support in the more than five years we’ve been reviewing its products.
One of the biggest problems with the SuperMini is that it doesn’t have a built-in cable. We’d rather have a built-in cable to charge our devices than supply and transport ourselves—it takes up extra space, gets tangled, and gets lost easily. And unlike our other options, which can be recharged via cable or plug, the SuperMini requires a separate cable (one included in the box) for personal recharging. But we think that the fact that it packs a lot of power into a very small package outweighs the small burden of packing one or two separate items. This also means that the SuperMini can charge many devices, especially older devices that don’t use the latest connectors.
We don’t like the raised ridges on the SuperMini’s main surface, which make it look like a small hard leather suitcase, but this is a cosmetic quibble. In addition, this protrusion makes the power bank easier to identify from the perspective of other elements of the wallet or tote. It also adds extra grip compared to other models we’ve tested that have a full exterior.
If the Zendure SuperMini 20W is not available and you want the best in terms of capacity and mobility: Get the Anker PowerCore 10000 PD Redux or the Anker PowerCore Slim 10000 PD (depending on the price and features of the shape and color you like. ). Both models are rated for the same capacity as the SuperMini (10,000 mAh) and it’s up to the pocket, albeit slightly larger. While SuperMini weighs 6.4 ounces, Redux weighs 6.8 ounces and Slim weighs 7.4 ounces. Like the SuperMini, both models have a USB-C PD port capable of charging a smartphone or other handheld device (and charging itself) at the fastest speed, along with a USB-A output port.
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If you want an external device from our choice of hard plastic finishes, and you don’t mind sacrificing a little power: Get the ZMI PowerPack 10K USB-C Power Bank (QB910). Like the three chargers mentioned above, the ZMI has a capacity of 10,000 mAh
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