• 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:Hi. I hate the energy company. I hate my carbon footprint. I will likely move to a piece of property and put a decent-sized mobile home on it. I want solar panels so I can get my own power. I live in the state of Wisconsin. How much would this approximately cost? Would I need certain permits? How many panels can be used? Thanks for helping!
My guess is that you will pick up everything concerning solar power at www.okorder .
Q:How do solar panels perform in extreme temperatures?
Solar panels can still generate electricity in extreme temperatures, but their performance may be slightly affected. High temperatures can cause a decrease in efficiency, as the heat reduces the panel's ability to convert sunlight into electricity. However, modern solar panels are designed to withstand a wide range of temperatures, and their efficiency losses are generally minimal. In extremely cold temperatures, solar panels can actually perform slightly better due to the improved conductivity of the solar cells. Overall, while extreme temperatures can have a small impact on solar panel performance, they are still a reliable and efficient source of renewable energy in various weather conditions.
Q:How do solar panels affect the overall energy security of a building?
Solar panels can greatly enhance the overall energy security of a building. By harnessing the sun's energy, solar panels provide a reliable and renewable source of electricity. This reduces dependence on traditional fossil fuels and the associated risks of price fluctuations, supply disruptions, and geopolitical tensions. With solar panels, buildings can generate their own clean energy, ensuring a more stable and self-sufficient power supply, which ultimately contributes to a stronger energy security profile.
Q:Can solar panels be installed on schools or educational institutions?
Yes, solar panels can be installed on schools or educational institutions. In fact, many schools and educational institutions have already embraced solar energy as a sustainable and cost-effective solution. Installing solar panels not only helps reduce carbon emissions but also provides educational opportunities for students to learn about renewable energy and sustainability. Additionally, schools can benefit from reduced energy costs and potentially generate revenue by selling excess energy back to the grid.
Q:How do solar panels affect the insurance premiums of a property?
Solar panels can potentially affect insurance premiums of a property. While it varies depending on the insurance provider and region, installing solar panels may increase the overall value of a property, which could result in a higher replacement cost in case of damage or loss. However, some insurance companies offer specialized policies or discounts for homes with solar panels due to their positive impact on energy efficiency and reduced environmental risks. It is best to consult with insurance providers to understand their specific policies and how solar panels may impact premiums.
Q:Composition and function of solar panels
In addition to the quality of EVA itself, the components of the manufacturers of laminated technology is also very large, such as EVA glue degree is not up to standard, EVA and tempered glass, backplane bonding strength is not enough, will cause EVA early aging, affecting components
Q:What makes them stop working after a while?
You can search on solar panel failure mechanisms for scholarly works. Amorphous silicon thin-film panels go through an annealing, and power drops off after a couple years. This includes most of those flexible rubber mat type panels. That's why those are not used on serious installations. Serious panels intended for rooftop service generally come with a 25-year warranty, suggesting that the technology is more reliable than your washer, dryer, TV, computer, dishwasher, or water heater. One brand of panel had trouble about 0 years ago, but the manufacturer replaced all that were turned in, even paying shipping both ways. It was a problem with that particular model, not the technology. Our polysilicon panels have been on the roof for 3 years, now, and I've seen no sign of wear, yet, either electrically or mechanically.
Q:What are the advantages of using solar panels?
There are several advantages of using solar panels. Firstly, solar energy is a renewable source that does not deplete natural resources, making it environmentally friendly. Additionally, solar panels produce clean energy, reducing greenhouse gas emissions and combating climate change. Solar power can also save money in the long run, as it reduces or eliminates electricity bills. Moreover, solar panels require minimal maintenance and have a long lifespan, making them a reliable and cost-effective energy solution. Finally, solar energy can provide energy independence, as it can be generated on-site, reducing reliance on traditional power grids.
Q:Can solar panels be installed on a swimming pool?
Yes, solar panels can be installed on a swimming pool. In fact, many pool owners choose to install solar panels to heat their pools and reduce energy costs. The panels absorb sunlight and convert it into energy to heat the water, extending the swimming season and making the pool more comfortable for users.
Q:I have a building company in UK and am interested in becoming a solar panel installation contractor
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