Polycrystalline Solar Panel 245W Hot Selling High Efficiency

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245 watt
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200000000 watt/month

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1. Detailed Information


CNBM Solar Polycrystalline Series II (245W)











12 yrs free from defects in materials and workmanship

No less than 90% within 10yrs and no less than 80%   within 25yrs

TUV(IEC61215&IEC61730), CE, UL


 Photovoltaic/ solar/ green energy/ energy saving


1.High efficiency crystalline silicon solar   cell. Even if under the weak light, the solar module can produce maximum   power output.

2.Tempered glass (toughened glass):   Anti-reflecting coating and high transmission rate glass increase the power   output and mechanical strength of solar module.

3. EVA and TPT: Using high quality EVA and   TPT to prevent destroying and water.

4. AI frame: Without screw, rner   connection. 6 holes on the frame can be installed easily.

5. Junction box: Multi function junction   box with water proof.

6. Long lifetime: ≥25 years; Less power   decrease.

7. Good performance of preventing from   atrocious weather such as wind and hails.

8. Resisting moisture and etching   effectively, not effected by geology.

9. The certificate issued by international   authority: UL, TUV, IEC, CE.


Packaging   Details:

26pcs/pallet, 28pallets/   40HQ 

Our   solar panels are packed in cartons, and then pallet. 

Shipping by sea or by air are both ok, it up to customer’s chose.

We’d like to inquiry the freight cost for customer after be informed exact quantity and destination address.

2. Technology

Polycrystalline Solar Panel 245W Hot Selling High Efficiency

3.The picture of the products

Polycrystalline Solar Panel 245W Hot Selling High Efficiency

Polycrystalline Solar Panel 245W Hot Selling High Efficiency

Polycrystalline Solar Panel 245W Hot Selling High Efficiency

4.Packing Details
Polycrystalline Solar Panel 245W Hot Selling High Efficiency

5. FAQ:

We have organized several common questions for our clientsmay help you sincerely

1). What’s price per watt?

A: It’s depends on the quantity, delivery date and payment terms of the order. We can talk further about the detail price issue. Our products is high quality with lower price level.

2). Can you tell me the parameter of your solar panels?

We have different series of cells with different power output, both from c-si to a-si. Please take our specification sheet for your reference.

3). How do you pack your products?

We have rich experience on how to pack the panels to make sure the safety on shipment when it arrives at the destination.

4).Can you do OEM for us?

Yes, we can.

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Q:What Size Solar Panel Would I Need?
It sounds like saving money is your chief goal. If your house is not already super-insulated, that should be the first target. Super-insulation, radiant barriers, double-pane windows, white roof, weatherstripping, attic fan. Number two would be conservation. Can you turn the A/C up to 80? I visited a place in Wyoming when it was 0 outside, and 80 felt very pleasant. Third, efficiency. Have you considered a ground-sourced heat pump? Deep down below your house the water table may be colder than 40 degrees F, and can provide good cooling. After all that, you can look into solar electric, which may or may not be a good deal in your area. The type of solar electric that is most cost efficient is the kind that connects right to the house wiring and works alongside the normal electric company. You can talk with a local installer and get a free financial analysis. Then you can look at it and see if the installer is on the level, or trying to play accounting tricks with unreasonable assumptions. Solar makes sense in most parts of California, but Illinois is not known as a big solar area. The kits you have have seen were probably for standalone solar, generally an expensive proposition for the amount of power you get. Put another way, either it will be low power, or it will be very expensive.
Q:Computation of Solar panel requirement?
The power output of a solar panel uses a formula to determine kilowatts produced per hour per square meter per day. This calculation is important because, if you plan to install a solar power system for your home, you will want to know how many solar panels will be needed. To calculate solar power requirements correctly, you need to gather the data that is needed for the calculation. First you have to find the average amount of solar radiation available for your area. You can use a solar radiation chart. This can range from a 4 to a 7 depending on the area you live in. Write the number down on a piece of paper and indicate it with the letters RA. Next is determine the amount of electricity that you use daily. Add the kilowatt-hours used per month from your utility bill. Multiply this number by ,000 to get the watt hours in a month. Divide the total by 30 for the amount of electricity you use daily. Write this number down and indicate it with the letters DE. Determine the percentage of your home that you want to power with the solar power system. Write this number down and indicate it with the letter P. Determine the system inefficiency factor for the solar power system. You should be able to find this on the brochure for the system or from the manufacturer's web site. Write this number down and indicate it by the letter I. Determine the power or yield that is required for your home. Use the equation P = I x (DE x P) / RA to find the power requirements in kWh. Divide the number from Step 5 by the peak wattage for a single solar panel to determine the number of panels you will need for your home. Goodluck! :)
Q:Solar Panel - Battery Charger 2V?
If you want to run something from a solar panel, you should remember that the power from the panel is only available when there is reasonable sunshine on the panel. Usually the solar panels are used with solar regulators in order to charge batteries. These batteries are used as energy storage for when the sun is not shining. Now, this does not mean that you cannot drive instruments directly from the solar panel and regulator. To do this, you will need a panel that has sufficient power to drive your instrument. An example is the solar powered garden or fountain pumps. I have driven 2V computer fans directly from the small solar panels - useful for cooling of things such as pool pump housings. The solar regulator is used to convert the solar panel output to a 3.5V output in order to charge lead acid batteries. I have used MPPT regulators (maximum power point tracking) which is more efficient than the standard solar regulator. If you don't use these regulators you may find the solar panel producing up to 7-9V in good sunshine which is not good for your instruments that are expecting 2-3V. Hence the answer to your question is that you will need to have a battery being charged to get useful power from the solar panels via a solar regulator.
Q:Where are the best places to put solar panels?
Photovoltaic panels are designed to be put on a roof, exposed (obviously) to sun, but also rain, snow, and wind. Generally, there is even a rating for something like hail. A good mounting system will be stronger than the underlying roof, so will withstand most anything short of a direct hit by a tornado or hurricane. There are a few panels from the 70's (that's the 970's) still in operation, I believe. They look horrible, but are still producing a little electricity. Since then, housings have improved, and panels generally have a 25-year warranty today (some cheap ones are 20-year warranty).
Q:installing solar panels on roof?
I okorder.com/ okorder.com/how-solar.html to see how the cost adds up for you.
Q:Connect Power Outlet to Solar Panel?
You will need at least 500 W of solar panels (probably more to cope with cloudy days), and a DC to AC inverter. Since you're going to 8pm you *may* want a battery bank system too for those shorter winter days.
Q:how many solar panels do I need for my house if in average i consume 880 kwh?
First, okorder.com/... Second, as a general rule of thumb, you can generate at most 00 watts of power (.Kwh) per 2 square feet of roof space. I have had to revise my own estimates after building a solar array in my yard using high grade solar panels. Solar panels do not put out their peak rating all the time. NOTE: I am not paid nor given any compensation by solar interests.
Q:45 Watt Solar Panel Kit Harbor Freight?
This Site Might Help You. RE: 45 Watt Solar Panel Kit Harbor Freight? Exactly How much power will this kit produce? for example. Will it only be able to power the 2 light throughout an entire day or would it be able to power a couple TV's with a couple lights. Or a Refrigerator? washer dryer? I'm just wondering exactly what it will be able to do and if...
Q:Why did the voltage of a solar panel drop significantly after putting it through a step down voltage regulator?
you cannot treat the open circuit voltage of a solar panel like a voltage source (like a battery.) the load response of the panel doesn't behave that way. small panels and panels that are producing less than about .5A are very happy to have their output voltage pulled down to whatever they're connected to (typically zero.) I observed the same phenomenon when i connected a 2V 725mA panel to a 2V 325mA fan -- the open circuit voltage of 5V dropped to 3V when connected to the fan, and returned to 5V when disconnected. The easiest workaround is to use 2V of rechargable batteries in parallel with the panel so that the battery holds the 2V potential difference and the panel just supplies the current. any excess current charges the batteries, so you might consider whether or not you need some type of charge controller to prevent burning the batteries via overcharging. there are actually very few applications of solar panels connected directly to circuits that i have seen that have any kind of robust performance -- if they work at all, they eventually die/burn themselves out in a couple of months. the best robust designs always have a rechargable battery and charge controller somewhere in the power circuitry to buffer the load circuit from the panel. .
Q:im trying to power up a cell phone and laptop with a solar panel.?
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