Professional mechanics trust Schumacher Electric's DSR ProSeries line of heavy-duty, professional-grade jump starters and battery chargers. No professional garage can be considered well equipped without one. The Schumacher DSR ProSeries 125-Amp 6-Volt/12-Volt Jump Starter and Battery Charger (DSR118) delivers powerful performance with a 125-amp engine start, a 15-amp-40-amp boost mode, a 15-amp-40-amp service mode, and a 6-amp-2-amp charge/maintain mode. Fully automatic and microprocessor controlled, the DSR118 employs multi-stage charging, auto voltage detection, float mode monitoring, bad battery detection, and reverse hook-up protection. Other features include a desulfation mode, color-coded copper battery clamps, 7-foot booster cables, a scrolling digital display, LED indicators, touch pad controls, and built-in cord management.