Solar Charge Controllers Specifications

Help with Solar Charge Controllers specifications:

General Specifications

	Technology Type
	Your choices are...
	MPPT		Maximum power point tracking (MPPT) technology finds the maximum power available from the solar panels to charge the battery. These controllers convert a higher voltage DC output from solar panels down to the lower voltage needed to charge batteries.
	PWM		Pulse width modulation (PWM) technology is used when constant voltage battery charging is needed. With PWM regulation, the controller adjusts the current from the solar panels to the recharging needs of the batteries.
	Other		Other, unlisted technologies
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

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Performance

	Rated Battery Current		The range of battery charging current produced by the controller.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
	Battery Voltage		The range of battery voltages that the charger is capable of charging.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
	System Voltage		The range of input voltages from the solar panels that the charger can handle.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
	Operating Temperature:		This is the full required range of ambient operating temperature.
	Search Logic:		User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
	Operating Humidity:		This is the full required range of ambient operating humidity.
	Search Logic:		User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.

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Certifications and Features

	Certifications
	Your choices are...
	CE Marking		CE Marking indicates that a product complies with the essential requirements of relevant European Union (EU) directives that uphold national standards for health, safety and environmental protection. CE Marking is required in the countries of the European Economic Area (EEA), an organization that consists of the twenty five member states of the EU and the three members of the European Free Trade Association (EFTA). CE Marking refers to the safety of a product. It is not a quality standard.
	UL Listing Mark		The UL Listing Mark indicates that Underwriters Laboratories Inc. (UL) has determined that representative samples of the product meet UL's safety requirements. These requirements are primarily based on UL's own published Standards for Safety. The UL Listing Mark is seen commonly on appliances and computer equipment, furnaces and heaters, fuses, electrical panelboards, smoke and carbon monoxide detectors, fire extinguishers and sprinkler systems, personal flotation devices like life jackets and life preservers, bullet resistant glass, and thousands of other products.
	TÜV Rheinland (US, C, US & C)		TÜV Rheinland/Berlin-Brandenberg provides third-party product testing, system assessment, and certification services. TÜV Rheinland of North America is a member of the TÜV Rheinland Group and accredited by national organizations such as the American National Standards Institute (ANSI) and the Standards Council of Canada (SCC). Products that bear the TUVus Mark are certified for the U.S. market. Products that bear the cTUV Mark are certified for both the U.S. and Canadian markets.
	C-UL Classification Mark		The C-UL classification mark from Underwriters Laboratories (UL) is applied to products intended for the Canadian marketplace. It indicates that UL has used Canadian standards to evaluate the product for specific hazards or properties.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
	Features
	Your choices are...
	Reverse Polarity Protection		If reverse polarity occurs, the battery being charged will be protected.
	Short Circuit Protection		The controller protects the battery in case there is a short circuit.
	Over Current Protection		The controller prevents overcharging when the battery reaches a specific voltage.
	Reverse Current Protection		Prevents current flowing from the battery to the controller. This normally happens at night.
	Displays		The controller includes a display that indicates the current and voltage, or any other parameter.
	Built-in Data Logger		The controller has a data logger for system analysis.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

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