Convert vehicle power to household power with the Schumacher XI75B. It includes (2) AC outlets, as well as a 2A USB port, perfect for all your mobile devices. Plug it into your car's accessory outlet or connect directly to the vehicle battery with clamps. Protection from power surges and overheating is built into every unit. Includes on/off switch and a low battery alarm, with built-in high-speed fan to maintain constant and cool operation. The thermal protection shuts unit down if operating temperature is excessive, and surge protection protects against damaging current fluctuations.