Power banks are big rechargeable batteries with built-in USB ports, and their flexibility and portability make them one of the most useful accessories you can carry for keeping your devices topped up.

This Baseus 10,000mAh power bank measures 4.3" x 0.7" x 2.7" and weighs about 7.3oz. It has a USB Type-A and USB Type-C port with up to 22.5W of maximum Power Delivery over USB-C, enough to fast ...