The Whistler WJS-1800 SafeStart Mini Portable Jumpstart and Power Supply enables you to quickly and safely jumpstart a variety of vehicles on-the-fly! Ideal for re-charging a range of 12 Vdc vehicles including: 4 and 6-cylinder cars Trucks RVs Motorcycles Boats Garden tractors ATVs And more! The portable jumpstart and power supply provides power to recharge your vehicle due to a low or dead battery. The Whistler jumpstart provides 160 Amps of power at start up, and up to 320 Amps of power at peak charging. The mini jumpstart and power supply features a 5-level LED power/charging indicator, built-in charge protection, holds a charge for over 1-year and can provide multiple jumpstarts from a single charge. The powerful Lithium-ion polymer battery can be recharged hundreds of times, providing durability and sustainability for continuous use. The compact mini jumpstart travels easily, and fits inside of a standard glove box, console, or tool box for convenient storage, so you can charge any vehicle or compatible electronic device, on-the-go.