The Cobra CPI 890 800W 2.1A USB 12V DC to 120V AC Power Inverter is a compact power inverter that converts the 12V accessory plug in your car, truck, RV or boat to household dual AC outlets and a 2.1A USB port. This inverter provides 800W continuous/RMS and 1,600W peak household power on the go! It converts battery power to 120V AC household power, allowing you to power up office equipment and household appliances that draw under 800 watts from your car, truck, RV or boat. The unit includes direct-to-battery cables.