• Solar Cells A Grade and B Grade 3BB and 4BB with High Efficiency 18.5% System 1
  • Solar Cells A Grade and B Grade 3BB and 4BB with High Efficiency 18.5% System 2
Solar Cells A Grade and B Grade 3BB and 4BB with High Efficiency 18.5%

Solar Cells A Grade and B Grade 3BB and 4BB with High Efficiency 18.5%

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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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Item specifice

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 18.5%

Solar Cells A Grade and B Grade 3BB and 4BB with High Efficiency 18.5%

Solar Cells A Grade and B Grade 3BB and 4BB with High Efficiency 18.5%


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:I am confused. I am planning to build a simple 2Watt solar system to power some lights in my house. . I wonder if it is possible to power up a 2Watt bulb using 2Watt solar power?2. Normally, when we are reading the power rating of a bulb, we will read the wattage, so what about the voltage and current rating?3. If the current is insufficient, will the bulb light up?I am having a solar panel that can output 2W power but I am not sure about the output voltage, how can I find out about the current? I am getting really confused.
Hey, okorder
Q:Do solar panels work during a power outage?
No, solar panels do not work during a power outage unless they are connected to a battery storage system.
Q:Can solar panels be installed on a military base?
Yes, solar panels can be installed on a military base. In fact, many military bases around the world have already implemented solar energy systems as part of their efforts to reduce reliance on fossil fuels and promote renewable energy. Solar panels provide a sustainable and cost-effective source of electricity for various facilities and operations on the base. Additionally, the installation of solar panels on military bases can contribute to energy independence, resiliency, and environmental sustainability.
Q:200 watt solar panel generates how much watts of electricity per month?
Depends where you live. Each kWp will generate in a year about 750kWh in northern England, or 900kWh in the south. About ,00kWh in the south of Germany or up to 2,200 kWh in the Californian desert. The farther you are from the equator, the bigger the difference between summer and winter months: in S California summer months may only generate 2 times as much electricity as winter months. In the UK it can be 4-5 times as much. 200 W is 0.2 kWp so divide the numbers I gave by 5 and then divide by 2 to get the 'average' month - you really need to look up 'insolation tables' for your area though!
Q:Are there any maintenance requirements for solar panels?
Yes, solar panels do require some maintenance. Regular cleaning of the panels to remove dirt, dust, and debris is recommended to ensure optimal performance. Additionally, it is important to inspect the panels for any signs of damage or wear, and if necessary, have them repaired or replaced. Monitoring the system's performance and checking the connections regularly is also crucial for identifying any issues.
Q:Are there any restrictions on installing solar panels in certain areas?
Yes, there can be restrictions on installing solar panels in certain areas. These restrictions can vary depending on local regulations, zoning laws, homeowners' association rules, and building codes. Some areas may have height restrictions, setback requirements, or aesthetic guidelines that limit the placement or visibility of solar panels. Additionally, historic districts or areas with protected landscapes may have stricter regulations. It is important to check with local authorities and consult any relevant guidelines or permits before installing solar panels in a specific area.
Q:Maximum size of solar panel i have to use is - 8 * 5 feet - this is the limitation given to us.
go buy some 90's Arco solar panels. they're about 2x5 inches and produce 60 watts (24 volts x 2 amps) in full sunlight. then mount them up on a rig that tracks the path of the sun all day long. not all solar panels are created the same. the ones you get at harbor freight will be less efficient than the ones you buy from some guy whose father got the panel as a gift from a business party in the 990s.
Q:How do solar panels affect the local job market?
Solar panels can have a positive impact on the local job market. Their installation and maintenance can create new employment opportunities in the renewable energy sector, leading to job growth. Additionally, the development of solar farms and manufacturing facilities can attract investments and create more jobs in the local economy.
Q:What is the impact of bird droppings on solar panels?
Bird droppings can have a negative impact on solar panels as they can reduce the efficiency of the panels by blocking sunlight and reducing the amount of energy they can generate. Additionally, the acidic nature of the droppings can potentially damage the surface of the panels over time if not cleaned properly. Regular cleaning and maintenance are necessary to ensure optimal performance and longevity of solar panels in areas where bird droppings are prevalent.
Q:How do solar panels affect roof maintenance?
Solar panels can have both positive and negative effects on roof maintenance. On one hand, solar panels provide an additional layer of protection to the roof, shielding it from elements like rain, snow, and UV rays, which can extend its lifespan. On the other hand, regular maintenance of the solar panels themselves, such as cleaning and inspection, may require occasional removal or adjustments, which could potentially impact the roof. Overall, proper installation and regular maintenance of both the solar panels and the roof are crucial to ensure their optimal performance and longevity.

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