PWM Solar Controller 20A 30A 60A 80A 12V/24V Or 12V 24V 36V 48V Lithium Battery Regulator Of Light Dual Time Control And USB ,Multiple Protection Functions

System voltage of battery 12V/24V or 12V/24V/36V/48V automatic recognition; Humanized simple button operation; Adjustable charge-discharge control parameters; Support more kinds of battery: Lead-acid battery (Sealed, Gel, Flooded) and Lithium battery (LiCoMnNiO2, LiFePO4); Multiple load control modes: 24Hours Working Control, Light Control, Light and Dual Time Control; Automatic temperature compensation and accumulated function of charge and discharge KWH;