The Nissan leaf is powered by 107 hp electric motor, kept alive by a pack of batteries, It takes 79.85 kilowatts to run the motor, assuming 100% efficiency. a) The Nissan contains a 24kWh battery pack and its estimated that using a 220V charging dock at home. The leaf can be charged in 8 hours. What the current as the leaf is charging? b) if it cost 11 cents perkilowatthour, how much does it cost to fully charge the leaf? my answers: a) i = P/V =>(24000*8)/220 = 872.7 A b)79.851 x 8 hours = 638.808 638.808 x .11 = $70.26 is this right?