[ WapCar ] New energy vehicles need to be charged to complete the energy supply, which usually takes 30 minutes to several hours. Generally, new energy vehicles support fast charging and slow charging. Generally, fast charging is high-power DC charging, under current technical conditions, after fast charging for a certain period of time, in order to protect the battery, the charging current must be reduced, that is, slow charging . The percentage of fast charging capacity, that is, the percentage of the total power that can be recharged to the battery when the fast charging pile is used to charge the vehicle.