Description Solar Controller SCDplus 40A with automatic system voltage detection 12/24 V. Suitable for lead (flooded, GEL, AGM) and LiFePO4 batteries. The high-quality IVT Solar Controller SCDplus 40 A features a backlit LCD display and a built-in USB interface. It enables precise and gentle charging of common solar battery types. Four different charging programs are available, and a user-specific charging process can be programmed. Extensive protection measures against reverse polarity, overvoltage, and overload ensure safe operation of the solar charge controller. The standby mode allows for minimal self-consumption. The built-in overcharge and deep discharge protection supports the longevity of the connected solar battery. The USB interface allows for a connection between the solar controller and a PC. The solar charge controller can be used for 12 V or 24 V systems.