Industrial-strength inverter utilizes vehicle's battery to efficiently power work site power tools, pumps, as well as laptop computer. It continuously supplies 1250W of 120Vac power to 2 AC outlets from any 12Vdc battery source. Frequency control locks AC output at 60Hz for operating stability of motor loads and other inductive loads with high current start-up requirements. It is ideal for power tools, pumps, fans, desktop computer systems, laptops, portable electronics, battery chargers for cell phones and games, full size TV/DVD/stereo systems, camcorders, lighting and other AC applications under 1250W continuous/2500W peak.