The Schumacher SL1439 1200 Peak Amp 12V Lithium Power Station and Jump Starter provides power at your fingertips. It delivers powerful performance whenever and wherever you need it. Ideal for tailgating or camping and for emergency power on the road, the SL1439 provides portable power through its 2.4A USB port, designed to charge all of your USB devices. When jump starting, the SL1439 can deliver up to 1200 peak amps, which means it is strong enough to jump 8.0L gas and 6.0L diesel vehicles. Roadside emergencies that leave you stranded are scary, but with the SL1441, you will no longer be at the mercy of a passing stranger to get your vehicle going again. In addition to portable power and a jump start function, the unit has a 150-PSI air compressor to fill a flat tire and a built-in LED area light. Product Features:1200 peak ampsAdvanced high-performance lithium ion batteryPreBoost Technology for ultimate cold temperature starting2.4A USB Output Port to keep all of your smart phones, tablets and more fully charged150-PSI air compressor for all your inflating needs Built-in energy-efficient LED Light Reverse polarity, short circuit, low voltage, high temperature, and reverse charging protectionAuto Shut-OffHeavy-Duty 8-Gauge Cables fit both top and side-post batteriesHook-up safeguard alarm sounds if improperly connected2.0A micro-USB port for charging internal battery