To score this all-new low price, you’ll need a Prime membership (start a free 30-day Prime trial if you aren’t a member yet) and you’ll need to redeem the on-page promo for the extra 10% off. With that, you can grab this power bank for only $21.10! If you want to look at other options, see our roundup of the best Cyber Monday power bank deals.

The Kuxiu S2 performed well in our tests, its 5000mAh (5K) battery recharging an iPhone 16 Pro from 0% to 79%. The S3 has a 10000mAh (10K) battery capacity and managed to recharge that same iPhone to 177%—so up to 100% then another 77% when it came to a second recharging task.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Wireless chargers have made life simpler by keeping our devices juiced up at all times sans cords. No more juggling between lightning cables and various USB ...

If you're looking for a new power bank for your phone, here are some of the best Qi2 power banks you can get your hands on.

If you find yourself running out of battery in the middle of the day, having a backup battery pack can help keep you connected and worry free. And if you have an iPhone 12, 13, or 14 (including the Pro and Pro Max models), the best MagSafe battery packs ...