The Tripp Lite® by Eaton® PV375USB PowerVerter® 375-Watt-Continuous Ultracompact Car Inverter converts 12-volt DC power into standard household 110-volt AC power to run a wide variety of electronics such as smartphones, laptops, tablets, GPS units, game systems, portable TVs, DVD players, and MP3 players as well as low-power lights, camping accessories, battery rechargers for small battery-operated power tools, and mobile office equipment. Besides the 2 AC outlets, the inverter has 2 USB charging ports - 2.1 amps and 1 amp. You can plug this inverter into your vehicle's 12-volt DC cigarette lighter/accessory port, or you can choose to attach the included 3-ft. battery cables with alligator clips so you can connect the inverter directly to the battery's DC terminals. The durable metal housing is engineered to withstand the rigors of road trips, camping trips, business trips, and family vacations. No maintenance is required.