The CATERPILLAR CJ3000 Professional 2,000 Peak 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. And the 48", heavy duty #4 AWG cables can reach practically any connection. The CJ3000 jump box charges using a standard household extension cord (sold separately) 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.