... solar charge controller with water proof function Intelligent control PWM control CE,TUV,ROHS SDPC-SF seires solar charge controller with ... on system condition LED indicating the system of charging, overcharge, power full, powerlow, ... SF15ISDPC-SF20I10A15A 20A 10A 15A 20A12v, 12/24V Auto1.25 rated load current 60sec, ... 5sec, over load protection action. ≥3 Rated load current short circuit protection ...