Specifications: This solar charge controller has a rated current of 50A and a size of about 13.5x7x3.2cm/5.3x2.8x1.3in, suitable for OPEN, AGM and GEL batteries.LCD Display: This solar charge controller is equipped with a large LED display inside, which can detect the working status of the battery board and adjust the parameters in time.Circuit protection: This solar charge controller has built-in overheating, overcurrent, short circuit and open circuit protection, and can automatically restore operating performance after troubleshooting.Charging Performance: This solar charge controller can MPPT two-way focusing and charging tracking, continuously monitoring during the charging process, with high charging power and high efficiency.Parameter adjustment: This solar charge controller can adjust charging and discharging parameters.The rated voltage is 12V 24V automatically, 12V is suitable for 18V solar panels and 24V is suitable for 36V panels. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.