Yes, but exhaustion is not recommended.
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If the power is used up and recharged, the battery will be damaged because of overdischarge, resulting in the use of the battery time gradually reduced, the life of the battery shortened.
In addition, the fast charge is selected for the foreign time, the current or voltage has high requirements for the battery, the temperature of the battery pack will also increase, and the speed of battery decay under long-term high temperature is also very fast, and the life of the battery will be reduced.
It can be charged, not recommended. Will do damage to the battery, can only be charged less.