的使用寿命，非迫不得已，不要让电池处于深度放电状态。
Service life and not have to, don't let the battery in the depth of discharge state.
并且可根据实际需要再增设多个不同数值的取样电压，以实现不同深度放电的目的。
And according to actual need a plurality of different numerical sampling voltage can be created, thus to achieve the purpose of different depth of discharge.
如果你在电池完全放完电的时候存放，电池将进入深度放电状态，这将造成电池不能再充电。
If you store a battery when it's fully discharged, it could fall into a deep discharge state, which renders it incapable of holding any charge.
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