Built for heavy-duty charging needs, the Schumacher SC1364 150A 12V Automatic Wheel Charger and Engine Starter is ideal for heavy-duty engine starting and charging SUVs, trucks, and other large engines. From the Schumacher Electric line of wheel chargers, this unit offers 150A engine start, 6A charge, and 2A maintain rates. In addition, the 20A Boost quickly brings deeply discharged batteries back to life. Other features include color-coded clamps, LED indicators, and compact wheels for easy storage. Product Features:150A engine start, 20A boost, 6A charge, and 2A maintainHeavy-duty transformer and steel caseColor-coded clampsCompact wheels for easy storageFully automatic, microprocessor controlledLED indicators and buttonTemperature overload protectionReverse hookup protection