charging bag

例句：

1. 1. The charging bag is designed to hold multiple devices at once.
   充电包设计用来同时容纳多个设备。
2. 2. We need to charge our phone before we go out tonight.
   今晚出门前我们需要给手机充电。
3. 3.This power bank has a large capacity and can be used for both charging and playing games.
   这款移动电源容量大，既可以充电也可以用来玩游戏。