Situation 1: Electrode contacts are dirty.
Battery electrode contacts are dirty, contact resistance
If the voltage drop is too large, the host thinks it is full and stops charging when charging.
Treatment: Use a clean eraser to wipe the contact clean.
Situation 2: The charger is broken.
Charger short circuit is also a common fault, if the phone can be used normally, standby time is not significantly shortened, consider the charger reason.
Solution: Replace the charger to charge.
Maybe there's something wrong with the monitor. It's when the battery is fully charged and it doesn't display properly.
< br >
Maybe there's something wrong with the charging pad. Can not be charged normally, so in the process of use has been consuming power, power has been shown to be dissatisfied