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Features: Solar charge controller comes with a big LCD display that can clearly indicate the status and data, it can be conveniently switched modes and parameter configuration. Solar panel suitable for solar power system, solar street lamp, smart home, solar light box, intelligent irrigation,camping lantern etc. The solar regulator is only suitable for lead acid batteries:OPEN, AGM, GEL, not for nickel hydride, lithium, Liions, or other batteries. Short-circuit protection,open-circuit protection,reverse protection,over-load protection, more safty for using, suitable for home, industrial, commercial etc. This controller can only use photovoltaic panel as the charging source, do not use DC or other power supply as the charging source. Feature ★Build-in industrial micro controller. ★Big LCD display,all adjustable parameter.★Fully 4-stage PWM charge management.★Build-in short-circuit protectionopen-circuit protection,reverse protectionover-load protection.★Dual mosfet Reverse current protection,low heat production. Parameter Model:PWM10A PWM20A PWM30A Charging Type: PWM Max Current: 10A 20A 30A System Voltage:12V/24V Auto Battery Type:lead-acid batteries(FLD\GELSLD) ◆Max PV Voltage: 50V(for 24V battery) 25V(for 12V battery)◆Max PV Power:10A:120W/12Vsystem;240W/24Vsystem20A:240W/12V system;480W/24V system30A:360W/12V system;720W/24V system ◆Equalization: 14.4V(Sealed) 14.2V(Gel) 14.6V(Flood) Float charge: 13.7V(defauladjustable)◆Discharge stop: 10.7V(defaul,adjustable) Discharge reconnect: 12.6V(defauladjustable) Charge reconnect:13V USB output:5V/3A Self-consume: SHIP OUT TOMORROW -> 2 TO 4 DAYS DELIVERY PROCESS :)