The VECTOR SS16LV 1600 Peak Amp Li-Ion Jump Starter Portable provides serious jump-starting power in a compact package that can be easily stored. This ultra-portable power station comes with detachable battery clamps that feature integrated reverse polarity protection that will alert you when there is an improper connection. The 3.1A USB port provides a high-output option for charging USB Type-A & Type-C powered mobile devices on the go. And the built-in work light helps you when you need it most in the dark. With a lithium-ion battery that can retain a charge for up to 12-months, this is the perfect addition to any vehicle.