Fully Automatic On-board 2amp Maintainer/ChargerCharge Up To 3 Batteries At OnceIncludes x3 Alligator Clamps + x3 Eyelet TerminalsDesigned to maintain 6v & 12v batteries Powers on when neededPowers off when battery is fully charged or Topped off CHARGER/MAINTAINERInput Voltage: 105-125V AC 60Hz Output Voltage: 12V/6v DC Charging current: 2amp Charging/boosting all 6v/12V LEAD-ACID batteries and maintain3 Charging Ports2 USB PortsOvercharge and Short circuit protectionLED power and charging indicators