400 Watt Power Inverter - 2 Outlets & Battery Cables - TA-85400Convert battery power to household electricity. Automatically shuts down if voltage is too high or low. Operates most power tools and household appliances. This is a great device to have around in the event of a power outage, and you need power in an emergency situation. Continuous output power 400w Rated input voltage 10v 15v Output voltage range 105v 115v Maximum efficiency: >85%* 400w Car power inverter converts 12V DC batter power to 120V AC