... 2.automatic identify 12v/24v 3.intelligent controller PWM solar charger/intelligent controller InstructionThe model comes with high water- ... 12v/24v,temprature compensate3.solar charge controller,intelligent controller4.working mode:light controller,light controller+timer,manu5.current capacity:10A6. ... reverse connectionoverload,shorting,reverse connection 12v/24v PWM solar charge controller ZYTK01