Poly Solar Panel for Solar System 245W-270W

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Item specifice:

Material: Polycrystalline Silicon Max. Power(W): 270 Number of Cells(pieces): 60

Product Description:

Poly Solar Panel for Solar System 245W-270W


CNBM is a high-technology enterprise which specially engaged in solar products development, production, sales and service. The range of our products includes solar cell series, solar module series and solar system from 100w-100kw.  We focus on establishing, equipped with advanced electronic equipment, backed by experienced technical support and professional high-quality managers. 

 

CNBM solar products meet with great favor of customers at home and abroad. We enjoy a good reputation from our customers for high quality, competitive price, prompt delivery and best service. There is a stream of developing, producing and marketing elite, who are full of experience of solar products research and development. They hold professional service and customers’ contentment as their aim, and take high efficiency, excellence, and top quality as the highest mission. 



Itemphotovolatic panel
Solar cells :

Poly-Crysalline 156×156mm

60pcs.(6×10) ---3 bus bars

Max-power245Wp250Wp255Wp260Wp265Wp270Wp
Power Tollerance0 to +6W
Voltage at Pmax (Vmp)30.7V30.9V31.1V31.3V31.5V31.7V
Current at Pmax(Imp)7.98A8.09A8.17A8.20A8.31A8.41A
Open-Circuit Voltage(Voc)37.5V37.7V37.9V38.2V38.4V38.7V
Short-Circuit Current(Isc)8.58A8.76A8.87A8.97A8.99A9.10A
Maximum system voltage(VDC)1000(IEC), 600(UL)                                                                                               
Cell Efficiency17.0%17.3%17.6%17.6%18.0%18.3%
Moudule Efficiency15.00%15.40%15.70%16.00%16.30%16.60%
No. of Bypass Diodes (pcs.)3
Max. Seriex Fues(A)12A
Temperature coefficients of Pmax-0.45%/ ℃
Temperature coefficients of Voc-0.34%/ ℃
Temperature coefficients of Isc0.05%/ ℃
Nominal Operating Cell Temperature45±2℃
PS*STC Conditions (1000W/m*m ; 1.5 AM and 25℃ Cell temperature)

We have different model, size and power

50W, 100W, 250W, 300W, and any thing customized.

We have a wild range of successful project all over the world.

 

We have advanced, mature and stable supply production line. Support your request on solar market.


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Q:What is the difference between monocrystalline & polycrystalline solar panels?
The polycrystalline solar panel has a longer life-span and has a higher efficiency. What this means is that from the energy that 'hits' the solar panel, more is caught and used to convert into electrical energy. A polycrystalline solar panel will have an efficiency of about 4%. The monocrystalline solar panel has a similar efficiency but the cells are prone to sunlight, so the efficiency drops over the years.
Q:Feedback on Solar Panels?
Solar panels are very good. Although they may start off expensive, they will soon make up for the money spent. But they will only be useful when facing south and in sunny-ish countries. :)
Q:how much do commercial solar panels cost?
The size you pick, therefore, should be decided on per your requirements. A 4kw system will need between 0 and 20 solar panels, with an initial cost of around £7,000 for the module and installation. Systems larger than 25kW can't be accommodated on existing buildings. Instead this option is for those of you with vacant land, a location such as a farm or another open space.
Q:What is the best solar panel?
You have to decide which is more important to you, cost or efficiency. The most efficient solar panels that are commercially available cost more than twice as much per square foot than the cheapest ones. Ultimately, I believe that the cost per watt was actually better on the cheaper, least efficient panels, but then you need a lot of square footage in order to generate any substantial power. So it comes down to what you have more of, space or money. The new panels that collect a wider range of light are not currently available commercially, and when they are I am sure that they will be expensive. I have read the research but have not heard of anyone mass producing them yet.
Q:Solar Panels for Jacuzzi?
You can do this by isolating the jacuzzi, you will need a solar array adequate for the power draw of the jacuzzi, a charge controller, battery bank, off-grid inverter and switch gear. This is the expensive way to go--especially if you are planning to heat the water with the solar. A better option would be to heat the jacuzzi with solar thermal panels. It is plumbing instead of electrical, but the cost would be much less. If you still want to do PV (electric) solar, think about putting a non-isolated grid-tie solar array on your home. They are much cheaper, and if you think about it, it really does not matter if you use the solar electricity to run a light, a fridge, a TV, or a Jacuzzi, that amount of power is subtracted from your overall house power bill. Just size the array for the power output of the jacuzzi, and let the power meter do the rest. Your overall result will be the same and the system will be half the price, or less.
Q:What happens if I put a 00v, .5A solar panel on a 2V, 450cca Gel deep cycle battery?
yes not good.. why would put 00volts to a 2 volt battery? the best you can hope for is to destoy the battery 3.6v max do not excide max amp on battery
Q:are solar panels worth buying?
They're only worth it if: # - you are rich enough to afford them over the long term. Commercially installed solar panels will take you over 0 years to see any financial benefit. #2 - you get the parts and some instructions and get them built yourself. DIY or get a local electrician to put them together. If you don't fit into any of these 2 categories, then they're NOT worth it.
Q:have you ever installed solar panels for your home?
yes. Its pretty simple connection. It does save money on electricity.
Q:Why are solar panels made from silicon and not magnesium?
Silicon is a very good conducter. Probably the best for electricity.
Q:Can I plug a solar panel into a wall socket to lower my electric bill?
You can use a solar panel to heat water, and you can generate electricity, but you can't plug it into a wall socket. The most effective way to save on your energy bill is by heating water. Solar panels that produce electricity, don't store it. They produce it for that particular time, and if you're not there to use it, it's gone. Furthermore, the electricity isn't always regular, it may have peaks and shortages. The best way to tap into that, would be to sell the electricity you produce to the grid, and then buy it back when you use it.

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