Battery ChargerSpeedCharge Hybird battery charger/starter/tester. 100A engine start for emergency starting. 12A to 30A fast charge self-adjusting, variable charge rates for everyday charging needs and maintaining your battery in peak condition. 125A sure grip clamps for top and side mounted battery posts. Built-in digital voltmeter/tester that helps diagnose problems. Electronic tough pad controls. Easy-to-select switches for digital display of battery type or charge/start. Microprocessor controlled, thermal runaway protection and safety start. Charging status LED"s. 2A trickle charge for charging small batteries and maintaining large ones. Automatically de-sufates and adjusts charge rate, preventing battery damage for car, truck, marine, RV, farm equipment, AGM gel cell, and deep-cycle batteries. Molded polypropylene case with retractable handle for easy portability and storage. Cord wrap on back.