The EverStart Maxx SS4LE 800 Amp 12 Volts Lithium Jump Starter/Portable Power Bank delivers serious power in a compact . pocket-friendly package. The detachable battery clamps feature integrated Reverse Polarity Protection . helping to ensure a safe and stable connection for jump starting 4- and 6-cylinder cars . trucks . SUVs and more. Simply connect the clamps . and when the light goes green you're good to turn the key. USB charging ports rapidly charge multiple devices at the same time . so it's a great power station on-the-go. The EverStart SS4LE Lithium Jump Starter is a quick and easy solution that can get you back on the road in minutes. Claims based on internal testing. New.