10/20/30A 12V/24V Auto-Adaptive LCD Display PWM Solar Panel Charge Controller  Feature:Build-in industrial micro controller.Big LCD display,all adjustable parameter.Fully 3-stage PWM charge management.Build-in short-circuit protection,open-circuit protection,reverse protection,over-load protection.Dual USB output,the maximum current of 2.5A,to support mobile phone charging.Dual mosfet reverse current protection,low heat production. Specification of 10A Controller:Rated Voltage:12/24V Auto-AdaptiveRated Current:10AApplicable Pmax & Voc in 12V Solar System: 130W, 15-25VApplicable Pmax & Voc in 24V Solar System: 260W, 30-50VMax.PV Voltage: 50VMax.PV input power: 120W(12V), 240W(24V)Equalization:14.4VFloat charge:13.7V (defaul,adjustable)Discharge stop:10.7V(defaul,adjustable)Discharge reconnect:12.6V(defaul,adjustable)Charge reconnect:13VVoltage of open light:Solar panel 8V(Light lights delay)Voltage of close light:Solar panel 8V(Light off delay)USB output:2 way USB output,5V/2A(Max.)Self-consume:<10mAOperationg temperature:-35-60в„ѓSize:133.5mmx70mmx35mm Specification of 20A Controller:Rated Voltage:12/24V Auto-AdaptiveRated Current:20AApplicable Pmax & Voc in 12V Solar System: 260W, 15-25VApplicable Pmax & Voc in 24V Solar System: 520W, 30-50VMax.PV Voltage: 50VMax.PV input power: 260W(12V), 520W(24V)Max solar input:12V battery,the highest 23V24V battery when the highest 46VEqualization:14.2VFloat charge:13.7V (defaul,adjustable)Discharge stop:10.7V(defaul,adjustable)Discharge reconnect:12.6V(defaul,adjustable)Charge reconnect:13VVoltage of open light:Solar panel 8V(Light lights delay)Voltage of close light:Solar panel 8V(Light off delay)USB output:2 way USB output,5V/2A(Max.)Self-consume:<10mAOperationg temperature:-35-60в„ѓColor:BlackSize:133.5mmx70mmx35mm Specification of 30A Controller:Rated Voltage:12/24V Auto-AdaptiveRated Current:20AApplicable Pmax & Voc in 12V Solar System: 390W, 15-25VApplicable Pmax & Voc in 24V Solar System: 780W, 30-50VMax.PV Voltage: 50VMax.PV input power: 390W(12V), 780W(24V)Max solar input:12V battery,the highest 23V24V battery when the highest 46VEqualization:14.6VFloat charge:13.7V (defaul,adjustable)Discharge stop:10.7V(defaul,adjustable)Discharge reconnect:12.6V(defaul,adjustable)Charge reconnect:13VVoltage of open light:Solar panel 8V(Light lights delay)Voltage of close light:Solar panel 8V(Light off delay)USB output:2 way USB output,5V/2A(Max.)Self-consume:<10mAOperationg temperature:-35-60в„ѓColor:BlackSize:133.5mmx70mmx35mm System connection1.Connect he battery to the charge regulator-plus and minus.2.Connect the photovoltaic module to the regulator-plus and minus.3.Connect the consumer to the  charge regulator-plus and minus. Package included:1x PWM Solar Charge Controller (10/20/30A Optional)1x Manual In English & Chinese