How long will it take to charge my EV on 120V vs 240V? Charging rates vary dramatically based on the vehicle battery size, on-board charger, and the electrical source. Please refer to this chart with individual charging times for different EVs. Related articles What amperage rating should my electrical breaker be? How much time is required to remove the “E06 - null or duplicate provisioning” error message shown on the UPT screen? How to pass through the “E06 - null or duplicate provisioning” error message shown on the UPT screen? How can I place an order to ship outside of the US? What happens now that Tesla lowers charge rate to 8-9 amps?