Schumacher (INC-812A 12/8/2 Amp 12V 8-Battery Digital Charging Station Multi-stage charging algorithm Eight completely independent, fully automatic, microprocessor controlled charging banks Charge 8 different size batteries at the same time, including 12 Volt lead acid, deep cycle, AGM and gel cell batteries Charger automatically selects from 2 to 12 ampere output per bank Separate digital display for each bank, separate standard and gel settings to assure a complete charge Overcharge protection ensures the charger will not overcharge the battery