• 300 Watt Flexible Solar Panels - A Grade and B Grade 3BB & 4BB High Efficiency 17.7% Solar Cells System 1
  • 300 Watt Flexible Solar Panels - A Grade and B Grade 3BB & 4BB High Efficiency 17.7% Solar Cells System 2
  • 300 Watt Flexible Solar Panels - A Grade and B Grade 3BB & 4BB High Efficiency 17.7% Solar Cells System 3
300 Watt Flexible Solar Panels - A Grade and B Grade 3BB & 4BB High Efficiency 17.7% Solar Cells

300 Watt Flexible Solar Panels - A Grade and B Grade 3BB & 4BB High Efficiency 17.7% 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 17.7%

Solar Cells A Grade and B Grade 3BB and 4BB with High Efficiency 17.7%

Solar Cells A Grade and B Grade 3BB and 4BB with High Efficiency 17.7%


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: I live in Sacramento, CA, and I need some solar panels for a project fo school. They don't have to be very big......just something that I can use as an example.Thanks!
Trees, they have plenty of leaves. You'll probably have to buy an educational kit from Radio Shack or something like that. Maybe break some old solar powered calculators open.
Q: Can solar panels be integrated into building materials?
Yes, solar panels can be integrated into building materials. This integration is known as Building Integrated Photovoltaics (BIPV), where solar panels are designed to blend seamlessly into the architecture of a building, such as being incorporated into windows, roofs, or facades. BIPV offers a dual purpose of generating renewable energy while serving as a functional building material.
Q: Can solar panels be used in areas with high levels of chemical pollutants?
Yes, solar panels can be used in areas with high levels of chemical pollutants. However, frequent maintenance and cleaning may be required to prevent the accumulation of pollutants on the panels, which could reduce their efficiency over time. Additionally, the presence of chemical pollutants in the air may have a negative impact on the overall performance and lifespan of the solar panels. Therefore, it is important to assess the specific conditions and potential risks before installing solar panels in such areas.
Q: I want to get solar panels but not spend 20,000!! I found out that you can get a panel to run only your AC unit, I also found something that will run my pool pump! Anyone own either of these? How did you do? Where did you go? How much was it, and was it hard to install?
Most major cities have construction signs and other public things powered by solar panels. We have parking meter stands, USGS meters, street lights, etc. when these lose efficiency, they need to be replaced. They still work at about 60 percent efficiency. Learn who services these items and ask how to get them at a reduced rate or even for free. Be personable and nice and go to the source physically, not via e-mail. You can get a solar panel to run just about anything
Q: i know that a solar panel of square meter generate 000 watts on a clear and sunny day, but i need to know the time rate. is it 000 watts per day or per hour? Thanks.
Build okorder /
Q: I've been reading up on Solar panels because I think in the long run this would be beneficial in the long run. My Dad had looked into it before passing and had said it was too expensive. How much does it range for getting them placed on the roof and how exactly does that work? I think I remember being told that PGE has incentives and could possibly even end up paying you for having it? What does having panels cover? I know electricity but does it also heat things up? Sorry I'm kinda dee dee dee on this lol. Any and all information would be greatly appreciated. If anyone has solar panels can I get your experiences with them? Thanks!!
Would that be Portland General Electric? I used to live in Beaverton. I think technology has not progressed enough for solar electric panels to be a good deal in that area. Too many clouds. If you were over in Eastern Oregon, that would be clearer. If you meant Pacific Gas and Electric, that's another story. It's a good deal in most places in California. PGE only gives a trivial rebate on panels now, but that's ok.
Q: I've been figuring ways to keep water thawed out this winter, and this bucket seems to be the easiest thing. What kind of set up (solar panel) would I need to feed this 260 watt heated bucket?
Unfortunately solar panels are low output,generally only 2 volt and very low amperage,so you would need to build a multi panel array with a DC-AC converter all together costing several hundred dollars which would only work during sunlight.Just roughly figuring,about $800. Plan2-Solar charger,battery bank,and DC-AC inverter so it would work 24hrs a day,also several hundred $$. Solar power does just not seem feasible(to me)in this application.By far the cheapest set up here would be an extension cord fromhouse to the bucket.260 watts per hr is a fairly lightweight draw,even not figuring the thermostat's cycling it on and off as needed.Electricity is sold in kilowatt hours(000W/hr).This bucket would use(not allowing for thermostats control lowering it)appx 6000watts or 6KW per day.Depending on your electrical cost per Kwh it would cost very little to run.(In my location appx 50cents a day) or appx the same amount as my computer(325watts total)) Note that that would be a maximum rate,and would actually be less due to thermostat cycling off and on as needed.
Q: Can solar panels be installed on remote or off-grid locations?
Yes, solar panels can be installed on remote or off-grid locations. In fact, off-grid installations are quite common for solar panels as they can provide a reliable and sustainable source of electricity without the need for a connection to the traditional power grid. The advancements in solar technology and the availability of battery storage systems have made it possible to generate and store electricity in remote areas, making solar panels an excellent choice for powering isolated locations.
Q: I want to build a Solar Panel at home.Where can I find possibilities for Selfmade Solar Panels
that will sell a ready-made panel for less than that. Note that when someone puts up free instructions, they usually have lots of pictures of themselves and what they made, step-by-step. What I have noticed in all of the review sites for solar guides is that they never have a picture of what they made, in spite of their claims to have tried the guide. At best, all I see is stock pictures from the guide.
Q: hey, i am wanting to help our earth a little bit, and I was wondering how to do a solar panel connection for powering my home.... i just want to reduce my energy bill a little bit, Would these solar panels work?and how would i connect them?
I okorder Hope this helps.

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