Reasons to stop charging yourself:
1, charging to half of the automatic disconnect: check the problem is the charging line. Insufficient voltage or its own battery failure, specific reasons to go to the maintenance station for the corresponding maintenance.
2, there is a problem with the charging interface: or there is a problem with the charging board. Laughter detection repair.
3. Battery loss problem: The biggest possibility is that the static power consumption is abnormally large. Static power consumption may have periodic abnormal problems, you need to extend the observation time, confirm the fault, and then remove one by one according to the conventional method.