... control PWM control CE,TUV,ROHS SDPC-SF seires solar charge controller with water proof function Characteristics Control circuit use MCU and ... , load on/off, etc SDPC-SF10ISDPC-SF15ISDPC-SF20I10A15A 20A 10A 15A 20A12v, 12/24V Auto1.25 rated load current 60sec, 1 ... /24V,13.2v,×2/24V,-5mv/°C/cell (Boost charge, Direct charge, Float charge, charge return voltage),12.0V, ×2/24V11.1V(no load ...