There may be a variety of reasons why the Feike 372 shaver is not fully charged.
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There may be a problem with the power adapter, resulting in abnormal charging, you can try to replace an adapter and charging cable for charging.
Shaver batteries may have problems, such as battery aging or damage, resulting in a full charge, you can try to replace the battery.
There may be problems with the charging hole of the razor, such as poor contact or blockage, resulting in normal charging, you can try to clean the charging hole or check whether the circuit is normal.
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If the above methods can not solve the problem, it is recommended to contact Fei Ke customer service or after-sales service center for further inspection and maintenance.
It indicates that the battery performance deteriorates and needs to be replaced with a new battery