1200 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 small electronics on the go. And the built-in work light helps you when you need it most in the dark.