How portable phone chargers work

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Sorry There was an error emailing this page. Anyone who uses a smartphone knows the importance of carrying a backup power bank. But given the large number of options on Amazon, you might feel overwhelmed, understandably. Besides the various charging specs, ports, and even cables you have to consider, there are a ton of competing brands.

We decided to do the legwork for you, acquiring a wide range of power banks from different manufacturers, some offering unique features. While we’ve made some top picks, be sure to read through each review, linked to at the bottom of this page, to help you find the best battery pack for your needs. You might also be interested in our our roundup of USB car chargers if you spend a lot of time in a vehicle. For all of our power bank reviews, jump to the bottom of this article. The Powerstation Plus demonstrated greater efficiency than any other battery pack we’ve tested. This alone helps counter some of its less appealing features.

At this price point and with this performance, you simply can’t go wrong with the Mi Power Bank Pro. Not only is it small enough to tote around anywhere, it’s capable of charging all the things. Xiaomi is known for producing high-quality products and selling them at an affordable price. It’s on the heavier side, but this battery pack offers the versatility and power to make it a handy companion for keeping devices of all types ready for action. Fast charging, quickly charged, wide range of compatibility what’s not to love?

But being able to quickly top off your phone while trekking through The Legend of Zelda: Breath of the Wild on the Nintendo Switch simultaneously is worth the added weight and the price. For those looking for a smaller, less expensive USB-C option, you’re in luck: See our full roundup of best USB-C battery packs for some very competitive alternatives. Testing battery packs is done over weeks, not days, and requires extra equipment in order to ensure the batteries work as expected. Upon receiving each battery pack, it was fully charged using indicator lights as a means to track charge level. There are some hiccups using this method, however. If a battery was capable of charging through USB-C, we used that instead of Micro-USB.

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We then connected each battery to a Pixel XL and LG G5 to ensure that the devices registered the expected fast-charging output for each respective device. This was done to eliminate any discrepancies with wall adapters and cable throughput. Vendors, especially in Amazon listings, like to throw around a lot of terms and certifications. For those with a compatible device, make sure the battery pack is Quick Charge 2. Depending on your smartphone, this can make a big difference in performance. If you own a QC 2.

0 device, however, ask yourself if paying extra for a QC 3. 0 capable pack is worth it. Battery capacity and efficiency varies based on a number of factors. Read this Macworld report on USB-C packs to learn more about batteries and capacity. The faster the input, the faster your battery pack rechargers, the faster you’re ready to hit the road.

We will continue to review and update this article as we test more battery packs. In this case, be advised: Amazon has voluntarily recalled several models because of potential overheating. Amazon has received 53 reports of the affected models—B00LRK8EVO, B00LRK8HJ8, B00LRK8I7O, B00LRK8IV0, B00LRK8JDC or B00ZQ4JQAA—overheating, and in one case causing chemical burns. To comment on this article and other PCWorld content, visit our Facebook page or our Twitter feed.

Charge Unplugged10K offers fast, efficient charging, regardless if you use cables or not. A great battery pack for travelers, the Presto PBT10 is lightweight, capable, and efficient—at a price you won’t think twice about. Anker proves yet again that it is a go-to source of reliable battery packs with this high-capacity model. The Outxe Savage is built to withstand a lot of abuse, and it comes with solar charging, but it’s heavy, and the solar feature is necessarily dog-slow. Quick recharge if you use two ports. Can top off your battery power with integrated solar panel.

The GGTR Outlet Evaders pack is a bit pricey for its capacity, but it makes up for it with a sweet gaming theme and stickers. Despite its low price, the Solo 6 Plus features a handy LCD display that reports charging status of the pack itself and connected devices. The Longaurd 10 is a portable pack that does what it’s supposed to when it comes to charging your devices, albeit a little slower than advertised. Still, it’s a solid product worth your consideration.

This is the charger for folks who are super hard on their gear. In other respects, it’s pretty average. PCWorld PCWorld helps you navigate the PC ecosystem to find the products you want and the advice you need to get the job done. Jump to navigation Jump to search For other senses of this term, see AC adapter. This unit charges the batteries until they reach a specific voltage and then it trickle charges the batteries until it is disconnected. A to the battery at all times, which will damage the battery if left connected too long.