... .Over charge protection12.Reverse polarity protection for solar panel ,battery and DC load.13.Reverse current at ... for DC loadLow Voltage Reverse polarityprotection for solar panel ,battery and DC load.Reverse currentyes.at nightlighting ... .Teminals corrosion protectedProtection classIP21Case MaterialIRONLED Displaycharging,discharge,battery,temp. solar panel running state, Error ModeTerminal size#8 ...