First: If the new battery has never been used, please do not leave it for too long. Especially if the new battery has not been used, don't just throw it away for four or five months. If you really can't get it out in time, please remember to recharge the battery!

Second: If it has been shipped, it needs to be indicated to the customer on the product manual. If the new product is not charged for a long time, the battery will fail. If it is used under normal circumstances, when the battery power is exhausted, it is necessary to charge it in a hurry. Otherwise the battery will fail.

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