开关电源充电机具有恒压、恒流充电功能，具有充电速度快、充电还原效率高、无需人工值守等优点。

The switch type charging has the features of constant voltage and current, quick charging, high reducing efficiency of charging. Therefore there's no need of person to be on duty.

youdao

开关电源充电机具有恒压、恒流充电功能，具有充电速度快、充电还原效率高、无需人工值守等优点。

The switch type charging has the features of constant voltage and current, quick charging, high reducing efficiency of charging. Therefore there's no need of person to be on duty.

youdao