85/30/6a, 6/12v, fully automatic battery charger, powerful enough for starting suvs, trucks, & large batteries, digital display, led indicators & button controls for ease & accuracy, micro processor controlled, automatically adjusts the amperage rate to charge & maintain, multi stage charging for added precision, safety & battery life, auto voltage detection, reverse hook up protection charger will not operate if clamps are reversed, led will flash, 6' power cord, 1 year warranty, 50 state doe compliant.