... control and diversion control: The controller has over-charge protection, short-circuit protection, poleconfusion protection and automatic dump-loadfunction. It is reliable with a ... A20 ALCD DisplayBattery Voltage,Wind Turbine Voltage,PV Voltage,Wind Turbine Current,PV Current,Wind Turbine Power,PV Power,Under-voltage,short-circuit,Night.EtcProtection Functionover ...