The time taken to charge an electric vehicle range from less than 30 minutes or more than 12 hours. This mainly depends on the capacity of the battery and the speed (power) of the ev charger. We have a simple formula to calculate the time: Time of Recharging=Battery Capacity/ EV Charger Power. For example, if you have a Nissan LEAF (2018) whose battery capacity is 40kWh, it will take about 11 hours (40kWh/ 3.7kW) to charge with a 3.7kW charger. While with a 50kW rapid charging point, it only takes about 1 hour to charge this Nissan LEAF. In conclusion, the bigger your car’s battery capacity and the slower the ev charger, the longer it will take to charge the car from empty to full.