How long does it take to charge a 72V battery?

[JoannaLynn]

The charging time for a 72V battery is as follows: 1. 1A (5%): To balance charging speed and safety, the output current of the charger should ideally be 5%~20% of the electric vehicle battery capacity. If the charging current of a 72V/20A electric vehicle charger is 1A (5%), it will take approximately 20 hours to fully charge. 2. 4A (20%): If the charging current of a 72V/20A electric vehicle charger is 4A (20%), it will take approximately 5 hours to fully charge. Charging precautions: 1. Current should not be too high: The battery used in a 72V20A electric vehicle is 72V with a capacity of 20Ah. The higher the charging current, the faster the charging speed. However, excessive charging current can cause the battery fluid to boil, expel water vapor, increase electrolyte concentration, accelerate electrode corrosion, reduce lifespan, and potentially lead to safety hazards. Therefore, fast charging is not recommended for regular electric vehicles. 2. Charging speed should not be too slow: While slow charging is beneficial for the battery, excessively slow charging can negatively impact user experience.