... Intelligent control PWM control CE,TUV,ROHS SDPC-SF seires solar charge controller with water proof ... SDPC-SF10ISDPC-SF15ISDPC-SF20I10A15A 20A 10A 15A 20A12v, 12/24V Auto1.25 rated load current 60sec, 1 ... charge, Direct charge, Float charge, charge return voltage),12.0V, ×2/24V11.1V(no load)- real-time ... modified voltage by the discharge rate ×2/24V,12.6V,×2/24VPWM charge mode,modified discharge voltage ...