You don’t have to be near your computer or an AC power source to keep your mobile devices fully charged and your power tools and small appliances operating. This 3000W mobile inverter converts 12V DC power from your car, truck, fleet vehicle, boat or RV’s battery into standard 120V AC power. Just connect the included battery cables between the inverter’s DC input terminals and the positive and negative terminals on your vehicle’s battery.4 GFCI-Protected AC Outlets Provide Portable Power for Your Mobile Applications