Holdwell Voltage Reducer Converter Regulator 48 Volt to 12V 10A Waterproof for Golf Cart Input Voltage:48V nominal. Input range: 40V to 60V. Input Current: 10A (max). No-load input current:10mA. Output Voltage: DC 12V 2%. Output Current:10A. Ripple wave: 50Mv. Starting delay time: 2S. Maximum Efficiency: 90%. Insulation resistance: 20M  (between crust and earth, insulation resistance 20M .