Description

Technical Parameters

· LCD display design, read operating data and working condition easily
· Real-time energy statistics function
· 12/24/36/48V automatic recognition
· Flexible System battery selection: Liquid, Gel, AGM and Lithium
· Extends battery life through accurate remote temperature sensor
· Controller is protected against over-temperature due to built-in power reduction function
· Four stages battery charging process: fast, boost, equalization, float
· Multiple load control modes: Always on, Street lamp, User-defind Mode
· Two USB interfaces (Max20/30/40-EU)
· IoT wireless communication or Bluetooth communication functions optional (Max60(48)-E)
· Based RS-485 standard Modbus protocol with RJ11 interface to maximize the communication needs of
different occasions (Max60(48)-E)
· Perfect EMC & thermal design
· Full automatic electronic protect function

Parameters:

	Item		Max20-EU	Max30-EU	Max40-EU
Battery Parameters	Max Charging Current		20A	30A	40A
	System Voltage		12/24V automatic recognition
	Max volt on Bat. terminal		35V
	Battery Type		Gel, AGM, Liquid, Lithium(default: Gel)
	Gel, AGM, Liquid	Fast Charging Voltage	before boost or equalization charging stage
		Boost Voltage	14.5/29.0V @25℃
		Equalization Voltage	14.8/29.6V @25℃（Liquid, AGM）
		Float Voltage	13.7/27.4V @25℃
		Low Volt. Disconnect	10.8~11.8V/21.6~23.6V(default: 11.2/22.4V)
		Overcharge Protect	15.8/31.3V
		Temp. Compensation	-4.17mV/K per cell (Boost, Equalization)， -3.33mV/K per cell (Float)
	Lithium	Charging target voltage	10.0~32.0V(Lithium, default: 14.4V)
		Low voltage disconnect	9.0~30.0V(Lithium, default: 10.6V)
Panel Parameters	Max volt on PV terminal *1		25V/50V
	Dusk/Dawn detect volt.		5.0/10.0V
Load Parameters	Output Current		20A	30A	40A
	Load mode		Always on(Default) , Street lamp, User-defind Mode
System Parameters	Dimensions		1899653mm
	Weight		420g
	Self consumption		8mA/12mA
	Grounding		Common Positive
	Power terminals		8AWG(10mm²)
	Ambient temperature		-20~+50℃
	Storage temperature		-25~+80℃
	Ambient humidity		0~100%RH
	Protection degree		IP32
	Max Altitude		4000m

Max40-EU is a sort of 40a solar charge controller.

It means 12V/24V automatic recognition as well as 40A charge and discharge current.

Australia could become the first country in the world where the grid is unable to cope with a distributed surplus of power as rooftop and grid-level solar power rises sharply and peaks, according to the Sydney morning herald.

Australia installs six rooftop solar panels per minute, equivalent to adding a new coal-fired power station each year, the report said. In 2018, about 100 megawatts of new solar energy are installed every month across the country, and there are now more than 3 million small new solar installations in Australia. LED light solar controller

As of July 2018, roofs and large solar power account for about 4 percent of Australia's total electricity generation. 20a solar charge controller

Australia could become the first country in the world where the grid is unable to cope with a distributed power surplus, meaning electricity generated by solar energy will be wasted because it cannot be transported to where it needs to be used, according to Mark, head of the Australian energy company. 40a solar charge controller

By investing in more batteries and smarter distribution networks or changing the period of power demand, solar waste can be minimized or avoided, says Mark. But those costs will force them to consider whether solar is the right technology for now. 30a solar controller

Even if he is a major proponent of solar power, the need for an investigation into the rapid growth of solar installations, said mike Manus, head of meridian energy.

Over the next 12 months, we will have a public discussion on the prospect of small-scale solar subsidies, he added. In addition, local dealers may start cutting sales of rooftop solar.

Morgan Stanley analyst Robert Robben said the Australian competition and consumer commission's recommendation to scrap the small-scale renewable energy plan was not supported by the federal government, indicating the government's confidence in the sustainability of solar installations. In addition, the governments of south Australia and Victoria have offered more discounts and subsidies for solar installations to help reduce high electricity prices.

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40a Solar Charge Controller