ProSport Generation 3 On-Board Marine Battery Chargers incorporate all-digital microprocessor control with total output 2 x 20 A. Shows system OK and battery bank trouble status. Avoids over-voltage, overload, over-temperature, reverse polarity and ignition protection. LED display. For 2 X 12 V batteries. Weight: 2,3 kg. Dual output at 20 A maximum. Dimensions: 31 x 19 x 7 cm.