SMSL1612 | Schumacher Rugged Jump Starter 2000A Rugged Lithium Jump Starter 2000A Rugged Jump Starter and USB Power Source Anyone who has ever found themselves stranded by a dead battery knows the importance of a jump starter they can rely on. Schumachers SL1612 Rugged Jump Starter and USB Power Source features a long-lasting internal lithium ion battery which is reliable enough to jump start a vehicle 45 times on a single charge. The SL1612 jump starter delivers superior starting power and is the ultimate in versatility. With the multipurpose Schumacher SL1612 users can jump start a vehicle charge their devices and light up their work area. Boasting 2000 amps this unit has the power needed to jump start 10-cylinder gas and 8-cylinder diesel engines. The SL1612 featuring a rugged new design is built to withstand tough use providing consumers a jump starter that works hard when they need it. Additionally Schumachers Pre-Boost technology safely adds a pre-charge to deeply discharged batteries while the units Pre-Heating mode warms batteries in extreme cold for reliable charging in extreme conditions. Additional Features: Internal lithium ion battery will jump start a vehicle 45 times on a single charge Compatible with 10.0L gas and 8.0L diesel 2.4A USB output 2.0A USB input and 12V input ports Built-in 36-inch jumper cable with heavy-duty clamps Reverse polarity short circuit temperature battery low voltage overcurrent overload overvoltage and overcharge protection 2.4A USB port charges mobile devices two times faster than a standard USB charger One-year warranty Contents include: Schumacher SL1612 Rugged Jump Starter & USB Power Source USB Charging Cable (1) 12V DC Car Charger (1) Carry Bag (1) User Manual