... SDPC50A PWM Solar charge controller 12/24V Auto Intelligent control PWM controlC 50A PWM Solar charge regulator 12/24/48V Characteristics Control circuit ... , over charging and discharging etc.LEDindication on system condition LED indicating the system of charging, overcharge, power full, powerlow ... Boost charge, Direct charge, Float charge, charge return voltage),12.0V, ×2/24V,11.1V(no load)- real-time ...