CAT CJ3000 Professional Jump Starter: 2000 Peak/1000 Instant Amps, Built-In Power Switch, Battery Clamps Delivers 2000 peak amps and 1000 instant amps; Quickly powers most 12V batteries; Starts multiple vehicles on a single charge AGM (Absorbed Glass Mat) internal battery delivers superior performance, even in extreme heat and cold weather environments Industrial-grade metal clamps are powder-coated and spark-proof; Equipped with a built-in power switch to ensure safe operation Tough, rugged housing offers increased durability; 48" of heavy-duty, 4 gauge battery cables provide better power transfer and longer reach Features 12V DC accessory outlet, a reverse polarity alarm and indicator light, an emergency flasher, and a LED area light