Rosewill 200W DC To AC Power Inverter with One 2.1 Amp USB Port (RCI-201MS) The Rosewill RCI-201MS converts 12V-DC power to 110V-AC household electricity and provides a continuous 200-watt supply of power, with a peak surge power of 400 watts Comprehensive protections including Low Cut Voltage Protection, High Cut Voltage Protection, Over Load Protection, Short Circuit Protection, High Surge Power Protection and Over Temperature Protections A USB port with maximum of 2.1A output allows you to easily charge a host of portable devices, such as MP3 player, the power-intensive Apple iPad, and more