* Input voltage: AC 110-220V, 50-60Hz * Minimum start voltage: 8.0V * Voltage detection * Battery range: 4-100Ah * Automotive Battery Maintainer Desulfator * Temperature Compensation * Microprocessor controlled * Professional automatic switch mode * Non battery link protection * Overheat, overcharge, short circuit, reverse polarity protection * Cooling fan * LCD display & pulse repair charge * Maximizes battery life * For most types of lead acid batteries including Calcium, GEL, SLA, AGM, Wet, EFB