• 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 need to use solar panels to charge lead acid batteries in an off-grid application. I understand that solar panels have a open circuit maximum voltage and an maximum amperage under no resistance, and that one can optimize the power output by regulating the load (resistance). If so, is just connecting 2 -volt solar panels to a lead-acid battery inefficient? Are there devices that will maximize 2 volt output power (by varying the resistance)? Am I on the right track here? Thanks for any help.
The answer is actually quite complicated, but if you're planning on building just a very small system, most likely, the panel will be small and weak. In this case, connecting a panel that is 8 volts open circuit directly to a lead-acid battery is probably the most efficient way to charge. There are charge controllers that you can buy, some of which actively track the maximum power point for charging your battery. Unfortunately, those controllers might eat 5 or 0 watts, just to get you another few percent of charging efficiency. If your panel is only 50 watts in the first place, you can see that this is not a good deal. If you're getting serious panels (clue: price $500 each), then you may very well benefit from a charge controller with MPPT (max power point tracking). Lead-acid, either a flooded cell like your car battery, or AGM, are the standard for solar energy storage. Lithium ion is better in many ways, being less sensitive to temperature, state of discharge, and they are also lighter. Charging them is also more straightforward with the right circuitry. The problem is, they cost like $500 per kWh, compared with less than a tenth that price for lead-acid.
Q: I been considering to get a solar panel system but I don't know if I'm going cut my electric bill every month , It's a lot of money to spend and I'm not really sure
There is this really cool book that i just bought and im actually starting to make a couple of things you go on this website and follow the link you wont regret it, i promise i'm saving literally hundreds
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: I need to prepare solar panels for using in home needs electricity purpose. Can anyone could help me to know much more about it.
Unfortunately, okorder / You could make your own solar water heater, and poasibly save money that way. You could pay a professional to install solar panels for you, and it might actually save money in the long run, depending on where you live. But the up-front investment is usually on the order of $0,000.
Q: I have been thinking about getting solar panels for my house. What do you think I should get? Companies? Prices? I also have another question. How much energy can a small solar panel produce?
You okorder /
Q: Are solar panels suitable for commercial use?
Yes, solar panels are suitable for commercial use. They offer numerous benefits such as reducing electricity costs, providing a reliable source of clean energy, and helping businesses meet sustainability goals. Additionally, advancements in technology have made solar panels more efficient and cost-effective, making them a viable option for commercial establishments of all sizes.
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.
Q: I want to know how many solar panels to use to power my AC and Water heater
you cant use solar panels to power your house, it would take more than you can afford,and space to mount them and all the equip required to hook it up. what they don,t tell you is you need a Battery bank [24 to 48 batteries], deep cycle a inverter ,[one that will convert 2 volts to 0, at the wattage you need ] a transfer switch, rated at 00 amps wiring, a 45 watt panel is around $300
Q: Can solar panels be installed on golf courses or recreational facilities?
Yes, solar panels can be installed on golf courses or recreational facilities. These locations often have vast open spaces with ample sunlight, making them ideal for harnessing solar energy. Additionally, installing solar panels in these areas can help offset the energy demands of the facilities, reduce carbon emissions, and promote sustainability.
Q: How do solar panels and heaters work?
Well ill start with the slorar panels, they work how there are cells in the panel and when the sun shines on it and reflects off the cells and produces energy. Next the heater is just a plane heater with a object that stores up heat over time when its on and makes it hot and the room and thats amde by a tank or whatever its connected to,to transfer heat

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