• Cheap Solar Panels:A Grade and B Grade 3BB and 4BB High Efficiency 20.1% Solar Cells System 1
  • Cheap Solar Panels:A Grade and B Grade 3BB and 4BB High Efficiency 20.1% Solar Cells System 2
  • Cheap Solar Panels:A Grade and B Grade 3BB and 4BB High Efficiency 20.1% Solar Cells System 3
  • Cheap Solar Panels:A Grade and B Grade 3BB and 4BB High Efficiency 20.1% Solar Cells System 4
Cheap Solar Panels:A Grade and B Grade 3BB and 4BB High Efficiency 20.1% Solar Cells

Cheap Solar Panels:A Grade and B Grade 3BB and 4BB High Efficiency 20.1% 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):
5
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 20.1%

Solar Cells A Grade and B Grade 3BB and 4BB with High Efficiency 20.1%

Solar Cells A Grade and B Grade 3BB and 4BB with High Efficiency 20.1%


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'm about to buy one but I don't really know which one is best for my home.
One will give you enough DC voltage to light a 25 watt light bulb, [ one 45 watt panel is around $400. ] Now if your wanting AC voltage You have to buy a inverter, 5 or 6 deep cycle batteries, a switch Cables to transfer the voltage, a place out side to store the batteries, instalation brackets for the roof A Permit to Install them
Q: What are the different applications for solar panels for residential use? How many should I purchase if the avg panel produces 80 watts .
Let me start off by saying we (my family and I) live completely, 00% “off of the grid and are completely self sufficient” The house is built utilizing natures natural elements, in the shape of an octagon with 8ft wide arch doors on every wall to catch every angle of wind (typical 4 sided homes have half the chance as one with 8 sides.
Q: Hi. I have been looking into getting solar panals but I only want them for one room. See, we're expanding the house by adding a basement, the basement isn't going to be that big but we wanted to have solar energy for the basement only. Could anyone give me a rough estimate on the cost of solar panals for my basement?
Only after you give an estimate of the power consumption you will have in the basement. Obviously you do not have a clue about solar panels or their usage. Suggest you find a book and start reading.
Q: i am looking for solar panels and wind mill to put around our house and i was wondering were to find them
From a decent solar panel store. Or you can get on the Internet and look for someone in your area.
Q: We see increasing, what appear to be, solar panels on electric poles?
Solar powered street lights . They work really well but expensive
Q: How do solar panels affect roof aesthetics?
Solar panels can have both positive and negative effects on roof aesthetics. On one hand, solar panels can enhance the look of a roof by providing a sleek and modern appearance, especially when integrated seamlessly into the roof design. On the other hand, some may argue that solar panels can detract from the overall aesthetic appeal of a roof, particularly if they are bulky or installed in a way that is visually obtrusive. However, with advances in solar panel technology, it is now possible to find more aesthetically pleasing options that blend well with different types of roofs, making them a viable option for homeowners concerned about both energy efficiency and the visual appeal of their roofs.
Q: I was watching an idiot abroad, and I saw a family that lived in tent like huts, with no plumbing. And they had a solar panel, now if they can afford it, I know I can. Where do you get cheap ones?
you okorder . all you have to do is watch the video.
Q: How can solar panels be used for heating water?
Solar panels can be used for heating water by utilizing the sun's energy to generate electricity, which powers a heating element that warms the water. This process involves the conversion of solar energy into electrical energy, which is then used to heat the water, making it an eco-friendly and cost-effective method for water heating.
Q: What is the impact of roof shading on solar panels' efficiency?
Roof shading has a significant impact on the efficiency of solar panels. When a roof is shaded, whether by nearby trees, buildings, or other obstructions, it reduces the amount of sunlight reaching the panels. This shading creates areas of lower or no sunlight, resulting in decreased energy production. Therefore, minimizing roof shading is crucial to maximize the efficiency and overall performance of solar panels.
Q: How much Electricity does a standard Solar panel producein terms of Watts and in terms of Units( i.e. electricity meter attached in our House)If I have 20 Solar panels and an inverter , how much electricity will I Be able to harness and store (state that in terms of volts)Can I run Arefridgerator, Iron, Heaters, Plasma T.V. and other high Electricity Consuming Devices.
Take a look on OKorder at some of the books on how to design solar energy systems. It is a bit more complicated than you might expect. I'm not sure what you consider to be a standard solar panel, but the 3' ones I have produce about 5 watts of power in full sunlight. Put simply, you need to convert the power from the solar cells (variable voltage) into a constant voltage usable for charging a batteries. Most of the low cost modules for this purpose can't handle more than about 00 watts. Larger systems are available that handle thousands of watts but they are quite pricey. Since you can't take out more than you put into your battery system, you can calculate about how long you can run a high-current appliance based upon its wattage rating, that of the battery system (adjusted for loss of converting to AC), and the charging system.

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