SDPC50A PWM Solar charge controller 12/24V Auto Intelligent control PWM controlC 50A PWM Solar charge regulator 12/24/48V Characteristics Control circuit use MCU and ... 24V,13.2v,×2/24V,-5mv/°C/cell (Boost charge, Direct charge, Float charge, charge return voltage),12.0V, ×2/24V,11.1V ... the discharge rate,×2/24V,12.6V,×2/24VPWM charge mode, modified discharge voltage by the discharge rate