• Yurt Solar Panels - A Grade and B Grade 3BB & 4BB High Efficiency 18.6% Solar Cells System 1
  • Yurt Solar Panels - A Grade and B Grade 3BB & 4BB High Efficiency 18.6% Solar Cells System 2
Yurt Solar Panels - A Grade and B Grade 3BB & 4BB High Efficiency 18.6% Solar Cells

Yurt Solar Panels - A Grade and B Grade 3BB & 4BB High Efficiency 18.6% Solar Cells

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
10000 watt
Supply Capability:
100000000 watt/month

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Specification

Material:
Polycrystalline Silicon
Max. Power(W):
4
Number of Cells(pieces):
1
Size:
156*156

1.Product Description:

Specifications of Poly Solar Cells 

Dimension 

156mm   X 156 mm ±0.5mm

Wafer   Thickness 

200um   ±30um

Front(-) 

Four   1.1mm wide bus bars(silver) with distance 39mm,

Acid   texturized surface with blue silicon nitride AR coating.

Back(+)

2.4mm   wide silver/aluminum soldering pads, aluminum back surface field.                             

Temperature Coefficient of Poly Cells

Voc.Temp .coef.%/K 

-0.351%/K 

Isc.Temp .coef.%/K

+0.035%/K

Pm.Temp. coef.%/K

-0.47%/K 

Electrical Characteristic of Poly Cells 

Efficiency   code


1720

1740

1760

1780

1820 

1840

Efficiency   (min)

(%)

17.2

17.4

17.6

17.8

18.2

18.4

Pmax

(W)

4.186

4.234

4.283

4.332

4.429

4.478

Voc

(V)

0.631

0.632

0.634

0.636

0.640

0.642

Isc

(A)

8.446

8.485

8.523

8.573

8.660

8.700

Vmp

(V)

0.525

0.527

0.529

0.531

0.535

0.537

Imp

(A)

7.973

8.035

8.097

8.160

8.280

8.340

 

2.Advantages of Poly Solar Cells

1). Tire-1 Solar Cells’ Manufacturer Quality Guarantee. With a complete and sophisticated quality government system, our Quality Management have arrived world’s leading place. Customer can receive Tire-1 Cells Maker’s Quality Standard Products.

2). Trusted Warranty. We can supply trusted after-sales service to our customer. If our cells are found not in conformity to the specification of manufacturer, or should the inspected quantity found in shortage, or should the packing found damaged, the buyer has the right to claim to the seller. The claim, if any, should be presented to seller within 30 days after cargo's arrival date to the port, together with related inspection report and photos issued and provided by a reputable independent surveyor such as SGS.

3). World’s Leading Manufacturer Equipment. We imported the newest and leading production equipment from abroad. Advanced equipment can guarantee the stable quality of cells. Auto production line can also save labor cost which will further cut our production cost.

4). Bulk supply: With the production capacity of 500MW, we can produce large quantity every month. This can satisfy most customer requirement.

 

3.Usage and Applications of Poly Cells

Solar cells are often electrically connected and encapsulated as a module.

Photovoltaic modules often have a sheet of glass on the front (sun up) side, allowing light to pass while protecting the semiconductor wafers from abrasion and impact due to wind-driven debris, rain, hail, etc. Solar cells are also usually connected in series in modules, creating an additive voltage.

Connecting cells in parallel will yield a higher current;our solar cells have passed IEC Certification.

With high quality and stable quality. Our Cells can greatly improve the performance of Solar Modules.

 

4.Pictures of Product

 

Solar Cells A Grade and B Grade 3BB and 4BB with High Efficiency 18.6%

Solar Cells A Grade and B Grade 3BB and 4BB with High Efficiency 18.6%

Solar Cells A Grade and B Grade 3BB and 4BB with High Efficiency 18.6%


5.Packaging & Delivery of Poly Cells

Carton Box Package and Deliver by air.  It should be noticed that it should be avoid water, sunshine and moist.

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

 

6.FAQ

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 cells?

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.

5. How long can we receive the product after purchase?

In the purchase of product within three working days, We will arrange the factory delivery as soon as possible. The perfect time of receiving is related to the state and position of customers. Commonly 7 to 10 working days can be served.

Q: Solar panel experiment ?wat are some experiments with solar panels that has not yet been proven? ideas
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Q: is this fact true? - its a limitation to solar panels during summer when it's in extremly hot countrie. I've heard it from my science teacher .. please give detail if you have any and any more benefits/limitations is welcomed .. Thank you :) !
So what do higher temperatures do to solar photovoltaic panels? As temperatures rise, the efficiency of solar panels decreases. Heat causes electrical resistance to the flow of electrons. On days where the temperature is more than 75 degrees, the electrical resistance makes the voltage fall thereby producing less kilowatts per hour. Your roof is much hotter than temperatures on the ground. That’s why solar panels are not mounted flat to a roof. There’s usually a few inches of spaces between the panels and roof so air flow can easily pass through and cool the panels down. There are some photovoltaic panels that are designed specifically to operate in hotter temperatures. These panels have a higher temperature coefficient. This is especially important in high heat climates like Arizona or New Mexico, but probably wouldn’t make too much of a difference in New England (except maybe this year). If you do live in one of these areas, you should speak to your solar installer to make sure they are using they right equipment for your region. Please note: Solar thermal panels used to heat water can withstand high temperatures without any degradation. In fact, hotter temperatures would actually be better for these types of modules.
Q: What is the average payback period for solar panels?
The average payback period for solar panels is typically between 6 to 10 years. However, this can vary depending on various factors such as the initial cost of installation, location, energy consumption, government incentives, and local electricity rates.
Q: How do solar panels impact the aesthetics of a building?
Solar panels can have both positive and negative impacts on the aesthetics of a building. On one hand, solar panels can enhance the visual appeal by adding a modern and sustainable look to the structure. They can be integrated seamlessly into the design, giving the building a contemporary and eco-friendly appearance. On the other hand, some people may find solar panels visually unappealing or out of place, especially if they are not well-integrated or if they differ significantly from the building's architectural style. Ultimately, the impact on aesthetics will depend on the design and placement of the panels, as well as individual preferences.
Q: Is there any way to charge my laptop with a solar panel? Is there any panel like that. Or if I work on panels can I do something like that. If you know anything about it, can you just help me? Thanks a lot.
A solar panel is usually 36 cells and intended to charge a 2V lead acid battery. The battery in laptops may be somewhere between 5 and 20V. The panel might charge a laptop when it is cold, but they heat up in the sun and then it would no longer charge. Typical lap top power supplies are 3 to 4 amps. You need 2 panels in series to get enough voltage to charge the battery directly, but this is wasteful. If you want to charge at the same rate as a lap top power supply you need large panels to provide 5 amps. The 5 Amp panel will only give 5A when pointed directly at the full sun. There may be between 2 and 5 hours a day equivalent full sun depending where you are, time of year. If you want more than that, you need larger panels, or more than one in parallel for a 2V system. It makes sense to charge a 2V battery with the solar panel, and use that to operate the lap top with a car type power supply for a laptop, which runs from a 2V battery (see link below for an example). Get the biggest panel you can afford, and the battery should be larger if you want to run the lap top when the sun isn't shining. Perhaps a 20AH battery is a minimum size. All this costs more than a lap top.
Q: Can solar panels be used for charging outdoor power tools?
Yes, solar panels can be used for charging outdoor power tools. Solar panels convert sunlight into electricity, which can be used to power various devices, including outdoor power tools such as lawnmowers, trimmers, and chainsaws. This provides a sustainable and environmentally-friendly alternative to traditional methods of charging these tools.
Q: I had someone quote me for solar panels on my house but I can't afford it. They were talking about how I have enough room and the perfect location to put many of them and actually get paid for it. I have about a half acre that is tiered and points in the correct direction for them to get pretty much the full day sun. Additionally, I live in so cal where it is sunny most of the year. Does anyone know if solar companies will lease or install them to get the payback? I would be happy to allow them to use the land just to cover my electrical expense and they could have any payback.
Hi, In the UK solar companies will fit them for nothing. The company gets the government allowance (called feed in tarrif FIT) and you get the benefit of the reduction in your power bills. The solar company make better money than the householder,BUT if the householder is in most of the day it could be most beneficial if the energy is used while the panels are generating, this means the householder is not paying for the power from the grid. If the householder works normally from 9 to 5 then there is less advantage in terms of getting free power from the panels. Best Wishes.
Q: ok so when a solar panel is marked as a certain wattage dose that mean it makes that much in a day in an hour or constant, dose it still work at night or what ? is it worth it or is it more of a pain? can some one tell me what all the watts and volts mean ?? and can some one tell me what a kilowhat is in refrence to some thing i understand like howmany loads of laundey can you do wt a watt? i need help understanding this stuff?
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Q: How much sunlight is needed for solar panels to work?
Solar panels can work with any amount of sunlight, but they are most efficient when exposed to direct sunlight for at least 5-6 hours per day.
Q: China is the world's biggest producer of solar panels
Go ahead admit it...Carter was right ! He was right in seeking to raise the fleet auto mileage standard to 48 miles per gallon by 995. (Even U.S. automakers admitted at the time that they could easily achieve 30 mpg by 985.) Carter was right in exhorting Americans to turn down their thermostats, even if he did look nerdy in a cardigan while urging us to do so. He was right to encourage fuel conservation by proposing a 50-cents-per-gallon tax on gasoline and a fee on imported oil —- in effect, a floor for fuel prices. Invoking the pioneering spirit of the 960s moon mission, he was right to recommend a tax on windfall oil profits to finance a crash program to develop affordable synthetic fuels. Carter was correct, too, in setting a goal of obtaining 20 percent of our energy from solar power by the year 2000. The solar panels Carter put up on the Whitehouse were USA made. The solar

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