Promariner ProSport Cup Holder Power Inverter. This compact inverter is perfect for the onboard or on-the-road active user who needs to convert 12V battery power to 110V AC, and it fits neatly in car or boat cup holders. The power inverter provides up to 150 watts of continuous instant AC power for laptops, cell phone chargers, radios, portable TVs, lighting, camcorders, small power tools and more. Extruded aluminum case with power/status LED indicators, 110V AC receptacle, output short and input polarity protection, low battery shutdown and temperature and overload protection. 250W surge capacity. 6"L x 2.625"W. Includes 3' cable. One year warranty.