There are three possible reasons.
1, the first possibility is: the battery life is too long, the damage is serious, the life of the end, you can change a new battery to try
3. The third possibility is that the charging circuit of the mobile phone has a problem, and it needs to be sent to the mobile phone repair point to repair and replace the chip
Charger fault: The current load is too low or there is a broken strand phenomenon resulting in no charging, which can be charged by changing a charging cable.
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2, charging circuit fault: If you ensure that the charging line is not any problem, then it may be a circuit fault, need to be sent to repair and replace the chip.
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3, the battery aging is serious: in this case, you can directly change the battery.