The less the original fast charger is charged may be caused by the following reasons:
First, the charger is damaged or malfunctioning, resulting in a drop in output power.
Secondly, the charger line passes through the transformer or converter many times and may be damaged or burned due to frequent use. In addition, the overheating of the charger adapter will also cause the charging current to drop.
Finally, the phone's battery has aged or is too low, which can slow down the charging speed. Therefore, it is recommended to check whether the charger is normal, and pay attention to the use of the phone and the charger environment and way to avoid this situation.
Because the battery of the cell phone is badly depleted