... PWM Solar Street Light controller,rated charge current 20A,System voltage 24V/12V AUTO,Overload, short circuit ... Aluminum alloy design, beautiful appearance, good heat dissipation.2,System DescriptionThe controller for the solar power system, solar ... system installment accuracyWorking Mode establishment table Laod 1 setload 2 setModeLED SHOWModeLED SHOWModeLED SHOWModeLEDSHOWLight on+Light off0Light on ...