How Long To Fully Charge A Car Battery. The charge rate is the speed at which your cars battery is charged measured in kilowatts per hour kWh or miles of range added per hour. There are ways through which you can recharge your battery fast than the time that it usually takes but remember that it will damage the battery performance in the long.
Free 2-Day Shipping Free Returns. The charging time heavily depends on the car battery and the chargers power output. For instance a 2020 Chevy Bolt has an acceptance rate of 72kW and a 32 Amp HCS-40 will add about 24 miles of range per hour of charging.
A 40 Amp HCS-50 will not charge.
For 12v batteries the first charge should be 18 hours with regular charging at 12 hours. A car battery usually holds 48 amps so if you take that it charges at approximately 1 amp per hour you can work out how long it will take to charge your battery with various amperage chargers. While we would love to answer the question above with an exact number of hours it depends on certain factors. For instance a 2020 Chevy Bolt has an acceptance rate of 72kW and a 32 Amp HCS-40 will add about 24 miles of range per hour of charging.
