No more dead batteries: Portable 9Ah jump-starter supplies up to 750 peak Amps and jump-starts batteries in engines up to 8 cylinders. Attached 6AWG cables with easy-to-use clamps store neatly on the sides of the case when not in use. The Jump-starter 750's built-in 100 PSI air compressor which inflates tires and other equipment, and a 2.1A USB port to charge smartphones, tablets and other devices. The tough all-weather design also features a 12V DC power port, LED battery fuel gauge, and a bright LED work light. Product Features:Portable 9 Ah unit delivers a peak power of 750 ampsDesigned to jump start batteries in engines up to 8 cylindersAll-weather construction can handle use during harsh conditionsBuilt-in 160 PSI air compressor lets you inflates tires and other equipment2.1A USB port for charging electronics devicesAttached 6AWG cables feature clamps that store on the sides of the case to stay out of the way12V DC power port enables simple connectionLED battery fuel gauge and LED work light help you view progress