hand charging

例句：

1. 1. The new phone has a long battery life, so you don't need to hand charge it every day.
   这款新手机电池续航长，所以每天不需要手动充电。
2. 2. The power bank is designed for people who like to go hiking and need to hand charge their phones.
   这款移动电源是为喜欢徒步旅行的人设计的，他们需要手动为手机充电。
3. 3.To save space, the car's charging system uses a hand-charging mechanism that can be easily disassembled.
   为了节省空间，汽车的充电系统采用了一种可拆卸的手动充电机制。