... solar charge controller with water proof function Intelligent control PWM control CE,TUV,ROHS SDPC-SF seires solar charge controller with water proof function ... power full, powerlow, over-discharge, over load, out short circuit, load on/off, etc SDPC-SF10ISDPC-SF15ISDPC-SF20I10A15A ... C/cell (Boost charge, Direct charge, Float charge, charge return voltage),12.0V, ×2/24V11.1V(no load)- real-time ...