Solar Charge Controller KC5 Solar Controller, Solar Regulator Model No. KC5Nominal System Voltage 12V / 24VPV Input ... .8V / 21.6VLoad Output Nominal Voltage 12V / 24VRated Load Current 20AOver Voltage Alarm 15V / 30VHigh Voltage Disconnect 15. ... battery, Operating, Over voltage, Over load. Protection Functions Reverse polarity protection of battery & solar module; Battery over charge & over discharge ...