◎The MPPT efficiency is ≥99.5%, and the conversionefficiency of the whole machine is as high as 98%. ◎Built-in lithium battery activated wake-up function. ◎A variety of battery (including lithium battery) charging can be customized. ◎Support host computer and APP remote monitoring. ◎RS485 bus, unified integrated management and secondary development. ◎Ultra-quiet air-cooled design, more stable operation. ◎A variety of protection functions, small body is veryuseful.

			ESF48L50	ESF48L60	ESF48H50	ESF48H60
Product Category	Controller type		Controller with Maximum Power Point Tracking (MPPT)
	MPPT efficiency		≥99.5%
	No-load static loss		0.5W~1.2W
	system voltage		Auto
	Cooling method		Fan cooling
Input characteristics	PV Maximum Open Circuit Voltage (VOC)		150Vdc		200Vdc
	Start charging voltage point		3V higher than battery voltage
	Input low voltage protection point		2Vhigher than the current battery voltage
	lnput overvoltage protection point		150Vdc		200Vdc
	Rated input power	12V system	650W	780W	650W	780W
		24V system	1300W	1560W	1300W	1560W
		36V system	1950W	2340W	1950W	2340W
		48V system	2600W	3120W	2600W	3120W
charging characteristics	Applicable battery type		Lead-acid battery / li-ion battery
	Lithium battery activation function		optional
	Charge rated current		50A	60A	50A	60A
	charging method		Lead-acid battery: fast charge.equal charge, floating charge; lithium botteryr fast charge.equal charge
Load characteristics	load voltage		same battery voltage
	Rated load curent		30A
	load control method		Normally open and normally cloced mode/dual period control mode/light control mode/light control-foxed time control mode
Display/ Communication	Display method		High-definition LCD segment code backlight display
	communication method		8-pin RJ45 interface/RS485/rupport host computer monitoring/support external Bluetooth WFl module expansion to realize app cloud monitoring/support external monitoring heoder
other properties	Protective function		Input and output over-voltage protection,anti-reverse connection protection,battery drop protection, etc.
	Working temperature		-20℃~+50℃
	Storage temperature		-40℃~+75℃
	protection class		IP21
	Maimum wire size		20mm²
	Net weight (kg)		1962.7g
	Gross weight (kg)
	Product size (mm)		240*166*65
	Packaging size (mm)		299*203*70