Powered by a rechargeable battery, XPower Powerpack 400R provides up to 400 watts of AC power. It can jump start a car, truck, boat or small RV and includes a built-in air compressor for inflating tires, small sport and camping equipment and more. The system also operates a wide range of DC products. Ideal for power emergencies, XPower Powerpack 400R comes with a built-in emergency light, jumper cables and amber light cover. Integrated AM/FM radio and digital alarm clock provides access to music, talk radio and news.