The Schumacher SC1361 50A automatic battery charger/engine starter is built with a rugged, heavy-duty steel case and features 10A boost and 62 A charge/maintain modes. This reliable charger/engine starter is perfect for cars, RVs, SUVs and trucks. With helpful LEDs to indicate power On and charging status, the product is also safe to use with reverse hook-up protection that prevents the charger from operating if the clamps are reversed. This microprocessor controlled battery charger/engine starter will automatically adjust the amperage rate between charge and maintain modes. Float mode monitoring automatically maintains an optimum battery charge, while multi-stage charging provides added precision, safety and battery life. For the perfect, every day charger/engine starter, the SC1361 is the best choice.