... MPPT 24V 40A solar controller 1)MPPT range18~36V 2)40A 24v ... solar cells, it is necessary to control the output voltage of 48VDC less to ensure personal safety, usually 12V, 24V, 36V ... or 48V battery, DC-50H series of wide input voltage range is specifically designed for a home solar power system solar ... over loading,over discharge,short protectDisplayLED:solar ,load,batteryLCD(option):Battery voltage ...