... charging by pass function auto detection of battery voltage CE Features Product featuresVoltage regulationAutomatic detection of voltagePWM ... MethodLCDDisplay ParameterWind Turbine Power, Wind Turbine Voltage, Wind Turbine Current,PV Voltage,PV Charge Current,PV Power, Battery ... )120/240 wOutput waylight sensitive switch, timing switch Controller software is optional, you can view system working ...