... water proof function Intelligent control PWM control CE,TUV,ROHS SDPC-SF seires solar charge controller with water proof function Characteristics Control circuit ... /24V,13.2v,×2/24V,-5mv/°C/cell (Boost charge, Direct charge, Float charge, charge return voltage),12.0V, ×2/24V11.1V(no load ... by the discharge rate ×2/24V,12.6V,×2/24VPWM charge mode,modified discharge voltage by the discharge rate