... grid solar power system. Combined solar charge controller input wide range, single charge current to 100A can be combined for ... voltage (LVR)12.5VSolar open circuit voltage<30VSolar charge current1~10A1~20A1~40ABattery nominal voltage12VNominal output load ... <14mAProtectInput over voltage,turn over pour current,over charge,over loading,over discharge,short protectDisplayLEDsolar ,load,batteryLCD ...