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。
The specifications and external appearance of this unit are subject to change without notice.
本机的规格和外形有所变更时，恕不另行奉告。
The specifications and external appearance of this unit are subject to change without notice.
本机的规格和外形有所变更时，恕不另行奉告。
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