To fully charge a drained battery, connect the unit to external power for six hours.

若想将已耗尽的电池充到饱，请将机组连接外部电源达六小时。

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To fully charge a drained battery, connect the unit to external power for six hours.

若想将已耗尽的电池充到饱，请将机组连接外部电源达六小时。

youdao