IVT Smart Living Charge controller 633657 - IVT 200002, The IVT Shunt Charge Controller is designed for managing solar power systems with nominal voltages of 12 V or 24 V and can handle a current of up to 20 A. Key attributes include its ability to operate at temperatures ranging from -25°C to +50°C and its compact size of 190x100x45mm. This product is typically used in solar and wind power applications to regulate battery charging. IVT 200002 Shunt Charge Controller PWM 12V/24V 20A for Easy Charging