Fully automatic battery charger, standard, AGM, deep cycle. Microprocessor controlled - automatically adjusts the amperage rate to charge and maintain. Multistage charger for added precision, safety and battery life. Float-Mode monitoring automatically maintains optimum battery charge. Auto-Voltage Detection automatically detects 6 or 12 Volt batteries. Reverse hook-up protection - charger will not operate if clamps are reversed. Digital display, LED indicators and button controls provide accuracy and easy readings. 50A clamps are compatible with top or side mounted batteries.