1. The indicator light of the charger is not on or the red light is flashing:
A. Check whether the input line interface has poor contact
B. Check whether there is mains AC220V input
C. Check whether the charging port has poor contact
D. The battery shall not be excessively discharged or damaged for a long time
E. After disconnecting the mains power, plug and unplug the AC220V plug and battery box plug again, and power on again after the charger shell cools down.
If the above problems cannot be solved after elimination, please send them to the factory for maintenance. It is forbidden to disassemble and repair them by yourself.
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