chargehand

例句：

1. 1. The wireless charger is convenient for people who are busy with work.
   无线充电器对于忙于工作的人来说很方便。
2. 2. The portable charger can be used to power up a laptop during a long flight.
   便携式充电器可以在长途飞行期间为笔记本电脑充电。
3. 3. The handheld charger is small and lightweight, making it easy to carry around.
   手持充电器体积小且轻便，便于携带。