Experienced drivers know that a dead battery can be hard to predict. Be prepared with one of Schumacher��s Rugged Lithium Jump Starters, fueled by high-performance internal lithium batteries. Featuring 1200 amps of peak power, Schumacher��s Rugged Lithium Jump Starter and USB Power Pack (SL1668) ensures that you have all the power you need to jump start up to 6.0L gas and 3.0L diesel engines. The 1200-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. Lithium Power �C A 29.6 Wh internal lithium battery delivers up to 1200 amps of jump starting power, enough to jump start up to 6.0L gas and 3.0L diesel batteries. 2X Faster USB Charging �C The 2.4A USB port chargers your smartphones, tablets, laptops, wearables, and other devices two times faster than a standard USB charger. Rugged Design �C With a durable case and heavy-duty clamps, this jump starter is designed to stand up to frequent use and tough conditions. Works in Extreme Cold �C Schumacher��s Pre-Heating Technology warms the battery before starting, allowing reliable jump starts even in extremely cold temperatures. Revive Discharged Batteries �C With Schumacher��s Pre-Boost mode, you can safely add a pre-charge to bring deeply discharged batteries back to life. Long Lasting �C The powerful internal lithium battery lets you jump start your vehicle up to 25 times on a single charge. Quick Recharge �C Fully recharge the unit��s internal battery in 4 to 5 hours via the USB charging cable or 2 hours with the included 12V DC car charger, three times faster than AGM batteries. LED Area Light �C Use the built-in, three-mode LED light for under-the-hood maintenance or for emergency illumination. New in Box �C The Schumacher SL1668 1200A Rugged Lithium Jump Starter and USB Power Pack, 12V DC car charger, USB charging cable, carry bag, and user manual.