C-MAX Energi plug-in hybrid gives you the option of plugging in for a recharge or not. C-MAX Energi combines a lithium-ion battery and electric motor with a gasoline engine. The plug-in capability allows you to fully charge the vehicle in about 2.5 hours*, using the available 240-volt home charging option, or overnight, with the standard 120-volt convenience cord. EV Mode lets you choose electric only, gasoline only, or a combination of gas and electric.