Inverter Ac to dc power inverter Product features 200 watts continuous power with 400 watts surge Automatic protection against overload, over temperature and low/high battery conditions Select ac outlet Runs: cell phone, camcorder, stereo, laptop computer, 13f¼ tv, portable work light Protection features Over-temperature protection Low battery voltage shutdown (10.0 vdc and automatic reset High battery voltage shutdown (15.5 vac and automatic reset) specifications: Continuous output power: 200 w Five minute ac output power: 250 w Ac output surge capacity: 400 w Ac output voltage: 115v or 2201v(+/-10 volts) ac Ac output frequency: 60 hz (+/-4 hz) Ac output waveform modified sine wave Dc input voltage range 11 - 15volts dc Battery drain with no ac load