Experienced drivers know that a dead battery can be hard to predict. Be prepared with one of Schumachers Rugged Lithium Jump Starters, fueled by high-performance internal lithium batteries. Featuring 2500 amps of peak power, Schumachers Rugged Lithium Jump Starter and USB Power Pack ensures that you have all the power you need to jump start up to 10.0L gas and 8.0L diesel engines. The 2500-amp jump starter boasts a front-facing LED area light that allows users to easily see the engine compartment during a jump start and a 2.4A USB port that charges mobile devices two times faster than a standard USB charger. With its emphasis on safety, the unit offers reverse polarity, short circuit, temperature, battery low voltage, overcurrent, overload, overvoltage, and overcharge protection. Other features include 36-inch jumper cables with heavy-duty clamps, and 2.0A USB and 12V input ports. New In Box.