• Vat Solar Panels - A Grade and B Grade 3BB and 4BB High Efficiency 17.5% Solar Cells System 1
  • Vat Solar Panels - A Grade and B Grade 3BB and 4BB High Efficiency 17.5% Solar Cells System 2
  • Vat Solar Panels - A Grade and B Grade 3BB and 4BB High Efficiency 17.5% Solar Cells System 3
Vat Solar Panels - A Grade and B Grade 3BB and 4BB High Efficiency 17.5% Solar Cells

Vat Solar Panels - A Grade and B Grade 3BB and 4BB High Efficiency 17.5% 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 17.5%

Solar Cells A Grade and B Grade 3BB and 4BB with High Efficiency 17.5%

Solar Cells A Grade and B Grade 3BB and 4BB with High Efficiency 17.5%


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: Can solar panels be installed on a restaurant or food establishment?
Yes, solar panels can definitely be installed on a restaurant or food establishment. In fact, many restaurants and food establishments are increasingly adopting solar energy as a sustainable and cost-effective solution to power their operations. By installing solar panels, these establishments can reduce their carbon footprint and save on energy costs in the long run.
Q: The voltage and power problems of solar panels
Because the MPPT controller has a wider input voltage range, it can also convert multiple voltages into current charge and better protect the battery.
Q: I have made a 5v dc 52watt solar panel and I going to be trying to charger 4 2v dc 55ah batteries. I get about 6 hours of sun on my panel. Spec below, is that a big enough panel to charge the batteries???I have 30 3x6 solar cells wired together Cell Specifications: (Watts): .75 Wp (Amps): 3.5 Imax (Volts): 0.5 V max which is where I got my 5g 52watt max (if math is wrong plz tell me) The Battery type: 2Volt 55.0ah NB Sealed Lead Acid Battery. I am using a mppt solar charger.
I don't think so, but if it did, it would take a very long time. You need enough wattage or amps to push the power in the battery and 3w may not be enough. You would be better off with a small 2v battery, maybe the type they use for emergency lights. I would use a sealed battery for this type of setup because car batteries are designed for heavy charging with alternators from 60 amps and up.
Q: Can solar panels be used on a backpack or portable device?
Yes, solar panels can be used on a backpack or portable device. These panels are designed to be lightweight and flexible, making them ideal for use on backpacks or other portable devices. They can convert sunlight into electricity, allowing you to charge your devices on the go, making them a convenient and environmentally-friendly option for powering your portable devices.
Q: Can solar panels be installed on metal roofs?
Yes, solar panels can be installed on metal roofs. In fact, metal roofs are often a great choice for solar panel installations due to their durability and long lifespan. Additionally, the smooth surface of metal roofs makes it easier to secure and position the panels, maximizing sunlight exposure and energy generation.
Q: Can solar panels be used for powering a mining operation?
Yes, solar panels can be used to power a mining operation. Solar energy can be harnessed to generate electricity, which can then be used to power various equipment and machinery required for mining operations. The solar panels would need to be properly sized and installed to meet the energy demands of the mining operation, taking into account factors such as the required power capacity and the availability of sunlight in the location. Additionally, energy storage systems may be necessary to ensure a consistent power supply, especially during periods of low sunlight.
Q: Can solar panels be installed on a shopping mall or retail complex?
Yes, solar panels can be installed on a shopping mall or retail complex. Many commercial buildings, including shopping malls and retail complexes, have begun to incorporate solar panel installations as a way to reduce energy costs, promote sustainability, and demonstrate environmental leadership. The large rooftop spaces available on these buildings make them ideal candidates for solar panel installations, which can generate clean and renewable energy to power the complex. Additionally, solar panels can also be integrated into parking structures or canopies to further augment the energy production potential of the shopping mall or retail complex.
Q: Are the solar panels on the roof just a gimik to get all the tree huggers to buy it, or are they actually a good, efficent design?
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Q: How do solar panels impact the local job market?
Solar panels can have a positive impact on the local job market by creating new employment opportunities. The installation and maintenance of solar panels require skilled workers, thus generating jobs in the renewable energy sector. Additionally, the growth of solar energy can stimulate the development of related industries, such as manufacturing and research, further boosting employment prospects in the local area.
Q: Has anyone had roof problems caused by rooftop solar panels?
Rooftop solar panels might cause all sorts of maintenance or poor installation problems but I rather doubt at this point if we can say that there is an issue with solar panels in general that will cause a problem with the roof. Rather solar panels tend to shade a roof on its most exposed side. Without solar panels southern facing roofs will wear out faster than northern facing roofs. Installed solar panels will tend to make the roof last longer.

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