$39.0 Buy It Now or Best Offer
free,30-Day Returns
Seller Store hi_iq
(41059) 96.6%,
Location: Point Roberts, Washington
Ships to: US,
Item: 200646990160
Restocking Fee:No
Return shipping will be paid by:Buyer
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money Back
System Voltage:12
Current Type:AC
Features:LED Indicator
Color:Black
Protection Properties:Low Voltage Protection,Overcurrent Protection,Overload Protection
GreenergyStar:GreenergyStar
Charging Mode:MPPT (Maximum Power Point Tracking)
12V 20A Charge Controller For Solar Power Systems Brand new~ Environment friendly~ Introduction: The charge controller regulates the flow of electricity from the solar modules / wind generator to the battery bank. When the battery bank is low, the charge controller feeds all of the electricity from the array / generator to the batteries. When the batteries reach a state of full charge, the charge controller stops or redirects the supply of electricity to prevent overcharging. Modern charge controllers have the ability to hold the battery bank in a “float” state of charge if the bank is not being used. At night the charge controller prevents a reverse flow of current from the batteries to the modules. There are three basic types of charge controllers – series, shunt and pulse-width-modulated. A series controller, the most basic type, acts as a switch to disconnect and re-connect the solar modules to the battery bank. A shunt type controller redirects the current from the solar modules – either by simply short circuiting the array or by directing the current to some other load. Pulse-width-modulated charge controllers, the most up-to-date type, maintain the battery bank in a float state of charge. “Float” is the voltage level just below gassing voltage. Keeping the batteries in this state of charge delivers their best possible life without using excessive electrolytic. Many people have asked about power point tracking and whether it has any real advantages. Maximum Power Point Tracking (MPPT) converts the difference between a solar modules rated voltage, (usually 17 volts) and a battery banks charging voltage (up to 14.7 volts) into usable charging current. Often claims are made for up to a 30% increase in charging current. This gain, however, is possible under a very limited set of conditions. The “extra” module voltage is there for a reason: to allow for real world use of the solar module, i.e. the voltage drop caused by the array wiring and other components, including the charge controller, between the solar array and batteries. Also, high ambient temperatures cause the solar module to drop in voltage further reducing this “extra” voltage Having said that, there are times when the voltage difference will be high enough to provide extra current to a battery bank utilizing this type of charge controller. Cold weather comes to mind, as well as low battery bank voltage. Under these conditions, it can be possible to get as much as 10% to 30% more current from your solar modules. Features: Pulse-width-modulated to keep battery bank at a “float” state of charge Maximize Efficiency with Max Power Point Tracking (around 30% increase in charge) Built in diode to prevent reverse flow of current back to the modules Temperature Compensation Maximum Output: 20A Voltage: 12V Continue Power: 240W Over-charge Protection Over discharge protection Can use AC Power as source Specification: Parameters 24V- 20A Solar Controller (CQ1220) Rated Voltage(VDC) 12 Rated Current(A) 20 Max. input Voltage(V) 25 Over- Charge (V) Protection 14.4 ±0.1 Resume 13.3 ±0.1 Over- Discharge (V) Cut-off 11.1 ±0.1 Resume 13.2 ±0.1 Over- Loaded Cut-off 16.5 Resume 15.0 Voltage Drop(V) Between input and batteries 0.4 Between batteries and load 0.3 No Load Current Draw(mA) <10 Ambient Temperature -10C~55C Height(m) <5500 Size 164X 100 X 41 mm Weight 0.36kg Temp Compensated factor -4mV/C to -6mV/C Electric Discharge self-setting The controller will adjust over-discharge voltage and protected voltage according to batteries dishcarge rates Max Power Point Tracking Yes Includes: - Charge Controller - Temperature detector - Extra 20A Fuse - 7 connectors - Instruction Maunual Types of Connection: 1 Set of Panels Panel Set 1 connects to Panel Input 1 & 3 with positive terminal to hole 1 and negative to hole 3 24V Battery (optional) Grid connection to Load 1 & 2 2 Sets of Panels Panel Set 1 connects to Panel Input 1 & 3 with positive terminal to hole 1 and negative to hole 3 Panel Set 1 connects to Panel Input 1 & 2 with positive terminal to hole 1 and negative to hole 2 24V Battery (optional) Grid connection to Load 1 & 2 NO OPERATING COST GENERATES ELECTRICITY FROM THE ABUNDANT RESOURCE - SUNLIGHT The Charge Controller is compatible with the following Panels: 1Pcs 12W Solar Panel 2Pcs 12W Solar Panel = 24W 4Pcs 12W Solar Panel = 48W 6Pcs 12W Solar Panel = 72W Auctions of this week - For more similar items 20A 12V Charge Controller for Solar Power System Terms & Conditions Bidding this auction means that you agree with the following terms & conditions. All pictures and descriptions are subjected to change without notice. Items may not look exactly the same as the auction shown. We are not responsible for any inadvertent errors. Payment Total payment = winning price + shipping & handling Insufficient payment will be charge extra US$0.50 to compensate the Paypal penalty fees. Shipping & Handling Total shipping = Base S&H + Combine S&H ( for each additional item ) a) Base S&H is the highest shipping cost of the first item. 1. Combine shipments are only available on the condition of a SINGLE PAYMENT. Auctions that are paid separately will NOT be shipped in combo and therefore, they are not qualified for shipping discounts. 2. We ship within 2 working days after payment is received and confirmed. Please allow up to 5-10 BUSINESS DAYS for item(s) with a physical address sending to the 48 states of United States & Canada. For international bidders, the shipping time varies with respect to your location. 3. Bounce backs due to incorrect shipping address will result in setback on deliveries. It is the buyer's responsibility to repay the shipping & handling fees. 4. We are not responsible for any loses or damages resulting from shipping. Return & Refund Policy No refunds after 30 days Shipping & handling & other service fees are NOT refundable All returned items must be in original packing. Items that are used/ damaged/ deformed or altered in any ways will not be accepted. A 20% restocking fee will be charged on all refunded items. E-mails E-mails are usually answered within 2~3 business days in priority order. Spams and mass e-mailing will be deleted without slightest glance. E-mails with virus or anything subjected to hacking are automatically deleted.
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