The Snap-on Battery Charger Plus, No. EEBC500, charges 6V, 12V and 24V batteries with 4-, 15- and 60-amp charging rates. The charger includes GFCI outlets for auxiliary power and a handy storage compartment for battery hand tools. With ully automatic operation, the microprocessor-controlled algorithms optimize the charge cycle without overcharging. The charger offers a digital display for the voltage percent of charge and alternator percent of performance. Works with standard automotive, deep-cycle, AGM and Gel Cell batteries.