Solar Panels for Home Roof - A Grade and B Grade 3BB and 4BB High Efficiency 19.7% Solar Cells
- Ref Price:
-
- 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: Does the new horizons has a solar panel for it power resources instead using nuclear generator?
- No solar panel, and for the reason you stated - it is so far from the Sun that a solar panel would be of little use (and a lot of extra weight) at the distances where the primary part of the mission was being performed. The power source is called an RTG. We can think of it as similar to a nuclear-powered battery or a miniature nuclear power plant. As far as I know it is not intended to reach any other star. If it does, it's power will have long since depleted - and it would take thousands of years at its current speed to reach even the closest star. Closest star: Proxima Centauri, slightly more than 4 light years away. Current speed of New Horizons relative to the Sun: 4.52 km/s That's 0.000048 of the speed of light. It would take more than 20,000 years to reach Proxima Centauri *if* it were heading in that direction (which it is not).
- Q: What is the principle and structure of solar panels?
- inverter: solar direct output are generally 12VDC, 24VDC, 48VDC. In order to provide power to 220VAC appliances, it is necessary to convert the DC power from the solar power system into AC power, so it is necessary to use DC-AC inverter.
- Q: I have several 6v 4.5a sealed lead acid batteries. I would like to hook one of them up to a solar panel and have it stay charged from the solar panel all the time, but not overcharged. Is there a simple way to do this with an IC or something? I am only a beginner with circuits so I want it to be something very easy to make. Basically, I want it to stay charged all the time so it's available if I need it for a power out or something.Thanks.
- What I would suggest is that you find a panel that is rated for 00 mA, at any voltage higher than 8 volts. A 2 or even 8-volt panel will do, because the voltage will drop to match the battery. Then I would get a diode to put in series with the panel to prevent the battery from discharging through the panel at night. That's called a blocking diode. At such low currents, a charge controller is not worth it. There is not enough power to overheat the battery, which is principally what a charge controller protects against in a larger system. Be aware that you could also simply plug a trickle charger for the battery into the wall outlet, at a cost of less than a penny a day in electricity.
- Q: Can solar panels be installed on a carport structure?
- Yes, solar panels can be installed on a carport structure. In fact, carports are a popular choice for solar panel installations because they provide a dual purpose of providing shade for vehicles while generating clean, renewable energy. The structure of a carport offers ample space for solar panels to be mounted, allowing for efficient energy production while maximizing the use of available space.
- Q: Can solar panels be installed on water bodies or reservoirs?
- Yes, solar panels can be installed on water bodies or reservoirs. This is known as a floating solar power plant or floating photovoltaic system. It involves placing solar panels on floating platforms that are anchored to the bottom of the water body or reservoir. This innovative approach allows for the utilization of otherwise unused space, reduces evaporation, and provides cooling benefits to the solar panels, increasing their efficiency.
- Q: If my school was to purchase enough solar panels to run the school off only their power, how much might that cost? (I have a really small school, only 384 kids.)Just general prices of solar panels and how much electricity they yield would be fine too.
- I have a coworker that did her home with a 5 kw system with batteries and whole house inverter. It cost $55k before the Florida $20k rebate. She sells back to the grid, but the system will not pay for itself for at least 20 years. It will not run the air conditioning, either. The batteries will give 3 days power for everything else without sun. There are companies trying to lease solar equipment, but none seem ready for prime time, yet. I've been to Sun-Electric (Venetian Causeway across from the Herald building) in Miami to buy surplus panels. They have a whole roof of panels and sell back to the grid, but they also have a room with batteries and an inverter and close shop at night.
- Q: Are there any safety precautions to consider when installing solar panels?
- Yes, there are several safety precautions to consider when installing solar panels. Firstly, it is important to work with a qualified and experienced installer who follows industry standards and guidelines. Adequate training and knowledge of electrical systems are crucial to ensure safe installation. Additionally, proper precautions should be taken when working with heights, as solar panels are typically installed on rooftops. This includes using appropriate fall protection equipment and following all relevant safety protocols. It is also essential to turn off electricity before starting the installation process to avoid electrical shocks. Finally, regular maintenance and inspections should be conducted to ensure the panels are in good condition and operating safely.
- Q: I have a question about solar panels. What are the benefits of this system if I installed in my home. for example i know it produces electricity but does it do anything else? How many panel would you guys think I would need for 2000 sq ft. do you know if it produces hot water? Thanks for your help
- First, solar panels come in two basic types - photovoltaics, which produce electricity (the black cells you normally think of), and solar thermal, which heats water (or some other fluid). It's one or the other, you could install both if you want that. Solar thermal is cost effective today, depending on how you currently heat your water. (The hot water could also be used to create electricity, like in a steam turbine, generally done in larger power plants). Photovoltaics are more expensive, but coming down in price every day. To know how many panels you need, you first have to determine how many kWH your house uses, and do you want to be completely off the grid (which would also require large batteries), or just reduce your electric bill.
- Q: Pros and Cons if I get solar panels?
- Maybe. okorder /
- Q: I would like to know how much a solar panel would cost for a wingspan of 208 ft for a plane
- 2,000 that we have used 4 project , its based on the cell size
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Solar Panels for Home Roof - A Grade and B Grade 3BB and 4BB High Efficiency 19.7% 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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