120 Watt Solar Panel 12v RV Car +10A BATTERY CONTROLLER Start Price USD 769.99 Current Price USD 769.99 Time Left - Bid Count 0 Buy It Now Price - Reserve Price - Start Time Wednesday, July 23, 2008 End Time Wednesday, July 30, 2008 Location NO PICKUP See more about '120 Watt Solar Panel 12v RV Car +10A BATTERY CONTROLLER' Description 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 120W (12Wx 10) Polycrystalline Solar Power Panel + 12V-10A Solar Panel Charge Controller* For Rechargeable RV Car Boat 12V Battery*Charging 12V SLA Battery*Connect 12V DV Fan /LED Light Power (max): 12W x 10 = 120W       Brand new~ Environment friendly~120W  Polycrystalline Solar Panels (12W x 10) Below are specifications for one solar panel Specification: Output 12W Type Polycrystalline Voc 21V Vop 17.4V Short Circuit Current (Isc) 0.8A Working Currrent (Iop) 0.7A Output Tolerance ±5% (11.4W - 12.6W) Operating Temperature -40'C to 80'C Frame Aluminum Alloy Efficiency 12.8% Connection Junction box Cable Not Included Number of Cells 36 cells Glass Tempered Glass Battery Voltage 12V   Dimension 339 x 273 x 25 mm, 13 1/4 x 10 3/4 x 1 inches Weight 1.21kg, 2.67lbs Solar panel generates free energy for many general household appliance. These solar panels also specially designed for use in sailing boats, green houses, cars, radios, recreational vehicles, portable televisions, warning lights, flash lights, garden lights, house light, garage lights and ventilators for rooms and cars. They can also be installed into a grid-tie system. Comparison Chart: Polycrystalline Silicon Panels Amorphous Silicon Pros Cons Pros Cons 12-14% (High) efficiency   Most economical 6 - 8% (Low) efficiency Most Cost effective   Thin Film Panel size is huge because of low efficiency Small Panel Size (1/2 of Amorphous)     Heavy weighted (Hard to install) Light Weighted (Easy to install)       Rectangular shaped cells (utilize all of the available surface area)              - 36 pieces silicon solar cells- Enclosed with epoxy and high-quality resin material- Rain proof, rust proof and corrosive proof, protects against wind, rain, salt air and solar radiation.- Weather resistant, charge batteries in dry/wet condition 10A Charge Controller   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 CompensationMaximum Output: 10AVoltage: 12VContinue Power: 120W Over-charge ProtectionOver discharge protectionCompatible with Hybrid System ( i: solar, wind)Can use AC Power as source Specification: Parameters 12V- 10A Solar Controller (CQ1210) Rated Voltage(VDC) 12 Rated Current(A) 10 Max. input Voltage(V) 25 Over- Charge (V) Protection 14.4 ±0.1 Resume 13.6 ±0.1 Over- Discharge (V) Cut-off 10.8 ±0.1 Resume 12.3 ±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) <5 Ambient Temperature -10C~55C Height(m) <5500 Size 118 X 110 X 35 mm Weight 0.39kg Temp Compensated factor -4mV/C to -6mV/C Electric Discharge self-setting The controller wil adjust over-discharge voltage and protected voltage according to batteries dishcarge rates Max Power Point Tracking Yes Includes: - Charge Controller- Temperature detector- Extra 10A Fuse- 6 connectors- Instruction Maunual NO OPERATING COSTGENERATES ELECTRICITY FROM THE ABUNDANT RESOURCE - SUNLIGHT 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 items120W POLYCRYSTALLINE SOLAR PANEL for 12v BATTERY RV CAR Terms & Conditions Bidding this auction means that you agree with the following terms & conditions.All pictures and descriptions are subjected to change without notice. 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