设一组充电器，充电器采用高频开关电源，的翻译：A set of chargers, charger uses the high frequency switching power supply, 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Set up a charger, charger uses high-frequency switching power supply,

A set of chargers, charger uses the high frequency switching power supply,

Supposes group of battery chargers, the battery charger uses the high frequency switching power supply,

Set up a group adopts the high frequency switching power supply charger, and battery chargers.

A set of chargers, charger uses the high frequency switching power supply,