Xantrex Technologies 852-1830 X-POWER 300 Portable Powerpacks Built-in 300 watt inverter and sealed, non-spillable 20 amp-hour AGM battery Smart circuitry protects XPower from damage from reverse polarity jumpstart connection Jumper cables designed for safe and efficient jump-starting Built-in fluorescent light provides illumination in emergency situations at home and on the road Runs 115-volt AC or 12-volt DC products anywhere