每一组电池应拥有自己的自动电池充电器。
Each set of batteries shall have its own automatic battery charger.
电池低电 LowPower当电量出现低电压时，系统会自动关机，此时请及时充电；
When low power occurs and system been power off automatically, please charge in time;
电池低电 LowPower当电量出现低电压时，系统会自动关机，此时请及时充电；
When low power occurs and system been power off automatically, please charge in time;
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