Solid performance, innovative design, and long-lasting durability make the Schumacher DSR ProSeries 250A 12V Battery Charger and Engine Starter (DSR121) a great choice for auto service professionals. The DSR121 is energy efficient and fully automatic. Microprocessor controlled, the DSR121 features multi-stage charging, float mode monitoring, and reverse hook-up protection. This unit offers 250A engine start, 15A fast charge, 25A to 50A boost, and 4A maintain rates. Product Features:250A engine start, 25A to 50A boost, 15A fast charge, and 4A maintainCharges standard, AGM, gel, and deep-cycle batteriesPowerful enough for SUVs, trucks, and large enginesBoost mode quickly brings deeply discharged battery back to lifeMicroprocessor controlled and automatically adjusts the amperage rate to charge and maintainMulti-stage charging for added precision, safety, and battery lifeFloat mode monitoring automatically maintains optimum battery chargeReverse hook-up protectionDigital display, LED indicators, and push-button controlsStart/Stop interfaceExtra-long output cables for 17 feet of total reachRetractable handleSafe for outdoor use
