The Schumacher SL1596 2500A Rugged Jump Starter and USB Power Source features a robust new design with powerful performance, giving users the ultimate in versatility. With this model, users can jump start a vehicle, charge their devices, and light up their work area. Pre-Boost technology delivers a breakthrough advantage by safely adding a pre-charge to deeply discharged batteries. Pre-Heating technology warms batteries in extreme cold allowing ideal starting conditions. Product Features:2500 peak ampsUp to 50 jump starts on a single charge2.4A USB port charges mobile devices 2X fasterPre-Boost technology delivers a breakthrough advantage by safely adding a pre-charge to deeply discharged batteries Pre-Heating technology warms batteries in extreme cold allowing ideal starting conditionsBuilt-in LED area light3X faster recharge time than traditional AGM jump starters7X lighter weight than traditional AGM jump starters6X longer shelf life than traditional AGM jump startersCompatible with 10.0L Gas and 8.0L Diesel2.4A USB output, 2.0A USB input, and 12-volt input portsDesigned and engineered in the USA