SDPC50A PWM Solar charge controller 12/24V Auto Intelligent control PWM controlC 50A PWM Solar charge regulator 12/24 ... center to fulfill intelligent system controlChargingmode use PWM highefficiency charging way. Boost, recovery ... 2/24V,-5mv/°C/cell (Boost charge, Direct charge, Float charge, charge return voltage),12.0V, ×2 ... 24V,12.6V,×2/24VPWM charge mode, modified discharge voltage by the ...