The CATERPILLAR CJ3000 Professional 1000 Amp car jump starter is the ultimate portable power station, with enough power to fire up most cars, trucks and SUVs even in the harshest weather. It's easy to use, with push-button controls, LED indicator lights and a reverse polarity protection alarm to ensure that it's connected correctly. It comes with multiple charging cables so that you can power up from your wall socket with a standard extension cord or from your car's 12V outlet (cigarette lighter). And the 48 in., heavy duty #4 AWG cables can reach practically any connection. Built with rugged, impact-resistant polymer housing and rubber bumpers, this Cat jump starter also features a handy area light and emergency flashers , so the CATERPILLAR CJ3000 is ready for anything life throws your way.