Xantrex XPower Powerpack 300EP emergency backup power supply is designed to run 120 VAC or 12 VDC products. It has a built-in 300 watt inverter and includes an ultra-bright LED flashlight. The Power Pack is powered by a sealed spillable 14 amp / hour AGM battery and is equipped with a reverse polarity detector to start the vehicle safety. The bridge clips are designed for easy storage on the devic