• Patriot Solar Panels - A Grade and B Grade 3BB & 4BB High Efficiency Solar Cells 18% System 1
  • Patriot Solar Panels - A Grade and B Grade 3BB & 4BB High Efficiency Solar Cells 18% System 2
  • Patriot Solar Panels - A Grade and B Grade 3BB & 4BB High Efficiency Solar Cells 18% System 3
  • Patriot Solar Panels - A Grade and B Grade 3BB & 4BB High Efficiency Solar Cells 18% System 4
Patriot Solar Panels - A Grade and B Grade 3BB & 4BB High Efficiency Solar Cells 18%

Patriot Solar Panels - A Grade and B Grade 3BB & 4BB High Efficiency Solar Cells 18%

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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 18%

Solar Cells A Grade and B Grade 3BB and 4BB with High Efficiency 18%

Solar Cells A Grade and B Grade 3BB and 4BB with High Efficiency 18%


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 house with a flat roof?
Yes, solar panels can be installed on a house with a flat roof.
Q: we are planing to move out of the grid. we need to operate constantly 2 laptops online - does any one can tell us how much solar panels we shall need to make sure of that?
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Q: I want to buy a solar panel kit but I'm unsure of how it works. Basically I want to run my entainment set, Xbox, cable box, 46 led tv, and some desktop speakers. I went online and found a kit for like 250 or something like that at homedepot and was wondering if that kit is worth the money or go bigger or something.
It isn't really that simple. First you have to decide if you are going to use it after dark and in cloudy weather. If so you are going to need batteries to store power. You are also going to need an inverter to convert the direct current, low voltage power to 20 volt alternating current. Once you have made those decisions you need to determine power requirements. Look at the back of each piece of equipment and find the wattage rating for the device. Add them together and you will have a starting point for power consumption. Since you will want to charge the batteries during daytime and you have parasitic drain from the inverter use you want to increase that number by 50%. When selecting the number of panels you want you have to assume they will not operate at the optimum they do deteriorate over time so de-rate them by about 50%. Once again, look at the data plate to determine wattage and get enough panels to meet the power requirements using the criteria I have mentioned.
Q: Do solar panels require a battery backup system?
No, solar panels do not necessarily require a battery backup system. Solar panels generate electricity from sunlight, but without a battery backup, the excess energy produced during the day is typically fed back into the grid. However, a battery backup system can be useful in areas with frequent power outages or for those who want to store and use the solar energy generated during the night or when the grid is down.
Q: Can solar panels be installed on a hospital or healthcare facility?
Yes, solar panels can be installed on a hospital or healthcare facility. In fact, many hospitals and healthcare facilities are increasingly adopting solar energy systems as a way to reduce their carbon footprint, lower energy costs, and increase energy independence. Solar panels can be installed on rooftops, parking lots, or even as ground-mounted systems, providing clean and renewable energy to power the facility's operations.
Q: We have LED at the output of 40 watts and is used for 0 hours giving us 400 Watts-hr of energy consumed.Rechargable batteries needed are 2 V. 400/2 gives us 34 Ampere-hour battery needed. If we want it for 3 days, It would be 34x3=00 Ah. So the battery needed 00 AhNow how do I select the solar panel which can charge this/these batteries? What should be its rating?
Be aware that you cannot discharge the full capacity of a lead-acid battery without destroying the battery. With a normal battery of this type, you would only want to discharge about 20%, so you would need a 70 AH battery bank. For the 3-day requirement, 500 AH. This is still within reason. If you didn't have the 3-day requirement, you might consider going with NiMH batteries. Back to the 500 AH bank, you would usually charge at at least 5% C, or 25 amps. At the 5 volts that you need for charging, this is 375 watts. Possibly you could go as low as 200 watts.
Q: Can solar panels be used for street lighting?
Yes, solar panels can be used for street lighting. By harnessing the energy from the sun, solar panels can power street lights, eliminating the need for electricity from the grid and reducing carbon emissions. Solar-powered street lighting systems are increasingly being adopted as a sustainable and cost-effective solution for illuminating streets and public spaces.
Q: How do solar panels affect insurance rates?
Solar panels can potentially lower insurance rates for homeowners. While the installation of solar panels adds value to a property, it also reduces the risk of damage caused by fire, as these panels produce electricity without combustion. As a result, insurance companies may offer discounts or lower premiums due to the reduced risk of fire-related claims. However, it's important to consult with your insurance provider to understand the specific impact on your insurance rates, as policies can vary.
Q: i took some solar yard lights apart and put them together in a series. i was told if you take AMPS times VOLTS = WATTS. do you test it with ac volt or dc volts? I tested mine with dc volts and got 4 volts in good sun and had my meter set on Ma or milliamps and got .83 which i am asuming that is .83 of one amp now i took those and multiplied .83 times 4 volts to = 34.03 watts. Is this large enough to charge a car battery in a day? And doese it make a difference for amps on how fast it charges or watts. i also was looking around and found 30 watt panels but had higher amps. I am very interested in building solar panels but i realize i dont know what i need to do to make shur they are big enough. my panel is only 9inch by 0 inch. It seems weird that i am putting out 4 volts
If a car battery contains 50 amp hours of charge at 2 volts, that's 600 watt hours of energy. divided by 34.03 watts, 7.63 hours to charge completely in direct sunlight. You don't want to connect them all in series. You want about 4 or 5 volts to charge a 2 v battery, so you should connect groups in parallel, and connect those groups in series to make your voltage. You'll end up with the same amount of power, lower volts and higher amps. It will work for trickle charging your battery if it's not too far run down.
Q: are there solar panel that work without the sun?
Yes and no, all solar panels can work without the sun but they mainly would not work without sunlight.

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