Brands of Solar Panels:A Grade and B Grade 3BB & 4BB High Efficiency 17.4% 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
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
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 clients，may 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: Well I was thinking about the idea of renovating either a smaller school bus or building a tiny house and I was wondering if i can get some information on the size and watts panel should I use or more like how to get that whole solar energy in motion. Any infor and links would help
- I think that typical solar panels are 2'x4' and produce something like 800-000 wh per day. (That's 0.8 - kwh per day.) More in the summer, less in the winter, if they're aimed sort of at the sun. There are newer, more expensive panels that produce more. There are also thin film panels that are less expensive, and probably more sturdy. You then have a couple choices. In a house, you'd have an expensive inverter to connect to the utility power, so you can have power at night when your panels aren't generating anything. In a trailer, you want 2-4-6 deep cycle car batteries to store the power. Then you could have an inverter to convert that power to 20v AC, so you could use normal appliances. Or, you could buy appliances that run on 2 volts DC. Maybe a combination of both. You'll need to figure out how much power you're going to use, so you know how many panels and batteries you're going to need. The calculation is easy. Figuring out how much power you need is hard. You need deep cycle batteries because you can repeatedly charge them way up and run them way down. Ordinary batteries die fairly quickly when you do that.
- Q: What is the difference between solar panels and light panels?
- The highest conversion efficiency in the laboratory is 24.7%, and the efficiency of the scale is 16%. Polysilicon conversion rate of 14% -15%. Amorphous silicon conversion rate of 12%. Silicon film conversion rate of 9%. Silicon solar cell is the main raw material of silicon, silicon is an extremely rich element of the earth, almost everywhere there are silicon, can be said to be inexhaustible, with silicon to create solar cells, raw materials can be described as no shortage.
- Q: Mono-crystalline or poly-crystalline solar panel?
- All solar photovoltaics drop in efficiencies with higher temperatures but it isn't the 45+ C you have to worry about but rather the heat from the sunlight striking the panels. There are hybrid systems which passes water in pipes attached to the back of the solar panels to cool the panels and preheat the water for solar thermal collectors. The difference between mono-crystalline and poly-crystalline are that mono-crystalline are more efficient and more costly to make.
- Q: What is the efficiency of solar panels?
- The efficiency of solar panels refers to how effectively they convert sunlight into usable electricity. Generally, the efficiency of solar panels ranges from 15 to 20 percent, with some advanced models achieving efficiencies of up to 23 percent. However, it's important to note that the efficiency can vary depending on various factors such as the type of panel, its age, location, and environmental conditions.
- Q: Do solar panels require regular maintenance?
- Yes, solar panels do require regular maintenance. This includes cleaning the panels to remove dust and debris, checking for any damage or defects, and ensuring proper functioning of the system. Regular maintenance helps to maximize the efficiency and lifespan of solar panels.
- Q: I've been figuring ways to keep water thawed out this winter, and this bucket seems to be the easiest thing. What kind of set up (solar panel) would I need to feed this 260 watt heated bucket?
- Unfortunately solar panels are low output,generally only 2 volt and very low amperage,so you would need to build a multi panel array with a DC-AC converter all together costing several hundred dollars which would only work during sunlight.Just roughly figuring,about $800. Plan2-Solar charger,battery bank,and DC-AC inverter so it would work 24hrs a day,also several hundred $$. Solar power does just not seem feasible(to me)in this application.By far the cheapest set up here would be an extension cord fromhouse to the bucket.260 watts per hr is a fairly lightweight draw,even not figuring the thermostat's cycling it on and off as needed.Electricity is sold in kilowatt hours(000W/hr).This bucket would use(not allowing for thermostats control lowering it)appx 6000watts or 6KW per day.Depending on your electrical cost per Kwh it would cost very little to run.(In my location appx 50cents a day) or appx the same amount as my computer(325watts total)) Note that that would be a maximum rate,and would actually be less due to thermostat cycling off and on as needed.
- Q: i want to join multiple solar panels into a bank so i only need one length of wire, i am going to use diodes to stop them sending power back into the one before it. is this ok or do i need something else?
- Maybe. It depends on the panels involved, and what their output is. Not all panels are able to be daisy chained.
- Q: Can solar panels be installed in a shaded area?
- Solar panels can still be installed in a shaded area, but their efficiency will be significantly reduced as they rely on direct sunlight to generate electricity.
- Q: Can anyone tell me how to connect a solar panel from a calculator to a motor from an RC car.
- can increase your voltage from a single solar panel. In combination with a large capacitor, you could deliver short bursts of power to the motor which would allow intermittent operation.
- Q: I got an 8v solar panel for a project today, the only problem is that it came without any wires attached to it. Now i don't know what type of wires i should use and if i should solder them on or if i should use epoxy instead. Can anybody help me out?
- Most epoxy is not very conductive. I would go with solder.
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Brands of Solar Panels:A Grade and B Grade 3BB & 4BB High Efficiency 17.4% Solar Cells
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10000 watt
- Supply Capability:
- 100000000 watt/month
OKorder Service Pledge
OKorder Financial Service
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