48V 60V 72V To 12V 20A Buck Converter 240W Step Down Dc To Dc Converter Transformer Reducer For Golf Cart Scooters & BicyclesWires Define 1Red: Input + 2Black: Public cathode 3Yellow: Output +>4Blue: Output - Weight(NW): 034kgs Input Parameter Input Voltage Range: 40V-90V Output Parameter Output Voltage: 12V Output current: 20A Max Loading: 24..