250W Polycrystalline Silicon Solar Panel
- Ref Price:
-
- Loading Port:
- Ningbo
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 200000 watt
- Supply Capability:
- 20000000 watt/month
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About us
We are a high-tech group wich specializes in solar products design,research, manufacture, sales,solar projects design and installation.
Our national sales service covers seven parts, including northeast, north, east, middle, south, northwest and southwest, international sales covers five continents and over forty countries, including Germany, Italy, Spain, France, America and Brazil etc.
Our present annual capacity is 6 million for wafer, 60MWp for solar cells,200MWp for solar modules and one hundred thousand for solar applications. It is expected that the annual capacity of 2012 will be up to 30 million for wafer, 300MWp for solar cells, 1000MW for solar modules and 2 million for solar applications.
We now provide Polycrystalline Silicon Solar Module;Thin Film Solar Module;Monocrystalline Silicon Solar Module.
Work Principle
Data sheet
Maximum Power | 250W |
Efficiency | 0.154 |
Backsheet | White |
Frame Colar | Silver |
Manufacture Site | China |
Frame | Anodized Aluminum Alloy |
Weight | 19 kg |
FAQ:
1. How long will my inquiry get response?
Your inquiry related to our products or prices will be replied within 24 hours.
2. Can I get professional service and suggestion?
Well-trained and experienced staffs to answer all your questions in fluent English.
3. Do you accept OEM or customized design?
OEM & ODM, any your customized lightings we can help you to design and put into product.
4. What if I need specific design?
Distributorship are offered for your unique design and some our current models.
- Q:How long do solar panels last?
- Solar panels typically have a lifespan of around 25 to 30 years. However, with proper maintenance and care, they can last even longer.
- Q:I need to know how Solar panels work please help me!! Also, if you know any other additional important information about Solar Energy in General please tell me, Thanks.
- The most important parts of a solar cell are the semiconductor layers, this is where the electron current is created. There are a number of different materials available for making these semiconducting layers, and each has benefits and drawbacks. Unfortunately, there is no one ideal material for all types of cells and applications. In addition to the semiconducting materials, solar cells consist of a top metallic grid or other electrical contact to collect electrons from the semiconductor and transfer them to the external load, and a back contact layer to complete the electrical circuit. Then, on top of the complete cell is typically a glass cover or other type of transparent encapsulant to seal the cell and keep weather out, and a antireflective coating to keep the cell from reflecting the light back away from the cell. A typical solar cell consists of a cover glass, a anti-reflective layer, a front contact to allow the electrons to enter a circuit and a back contact to allow them to complete the circuit, and the semiconductor layers where the electrons begin to complete there voyages! The solar panels, in order to generate power, are using the method of screen-printing, a technique developed for printing fabrics, paper and to produce plastic, glass and metal solar cells. The basic materials of a photovoltaic cell (solar cell) are inexpensive. The homemade solar cells have about /4 of the efficiency of commercial silicon solar cells, which turn 0-20 per cent of light energy into electricity. But, being cheap to produce, they can make up the loss in quantity what they lack in quality.
- Q:If not how do they give power to a house/a company?
- Don is spot on. The connection of that thing called the grid-tie inverter is done at the service panel, the same box where your circuit breakers for the house are. It's not the kind of thing that most homeowners should do on their own.
- Q:Can solar panels be installed on vehicles?
- Yes, solar panels can be installed on vehicles. Many electric vehicles and some hybrid vehicles come equipped with solar panels to help charge their batteries. Additionally, solar panels can be installed on the roofs of various types of vehicles, such as RVs, boats, and campers, to generate electricity for powering onboard appliances and systems.
- Q:Can solar panels be installed on a flat roof?
- Yes, solar panels can be installed on a flat roof. Flat roofs are actually a popular choice for solar panel installations because they provide an ideal surface for mounting the panels. The panels can be mounted using ballasted systems, which don't require any penetrations into the roof. This makes the installation process easier and minimizes any potential damage to the roof.
- Q:How do solar panels affect roof weight load?
- Solar panels can increase the weight load on a roof, but modern solar panel systems are designed to distribute the weight evenly and not exceed the load capacity of the roof.
- Q:Are solar panels easy to maintain?
- Yes, solar panels are generally easy to maintain. They have no moving parts and require minimal upkeep. Occasional cleaning to remove dust and debris is recommended, and regular inspections to ensure proper functioning are necessary. However, overall, the maintenance requirements for solar panels are quite low compared to other energy systems.
- Q:I have a building company in UK and am interested in becoming a solar panel installation contractor
- Every single solar system will have to be put on every roof by people. Of course much of the processes used installation are designed to be as pain free and trouble free (and therefore as inexpensive) as possible but in a typical British street of semi detached houses built in the 930s you could find as many different plumbing and heating systems as there are houses, so you will never be able to remove the human installation element.
- Q:Is it as simple as buying the panels, an inverter and plugging it into a wall-socket, assuming it would just send power back into the outlet and supplement my house's electrical usage, or... Is it not that simple?Remember, I'm talking about a SMALL system, and I don't care how little power it'd make, or how uneconomical it would be.
- If I were to assume you could (and I don't) you'd be back feeding voltage into your breaker and probably ruin it. Or worse, start a fire somewhere on that circuit. Not to mention the need to match the Hertz AND the signal. Short answer is No, you can't do that. Not because of code - but code wouldn't allow it anyway, but because it is foolish and beyond dangerous - it's a guaranteed disaster. Hope this helps. ??? —
- Q:Can solar panels be installed on sloped roofs?
- Yes, solar panels can be installed on sloped roofs. In fact, sloped roofs are one of the most common locations for solar panel installation. The angle and direction of the roof can affect the efficiency of the panels, but with proper installation techniques, it is possible to maximize their energy generation potential on sloped roofs.
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250W Polycrystalline Silicon Solar Panel
- Ref Price:
-
- Loading Port:
- Ningbo
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 200000 watt
- Supply Capability:
- 20000000 watt/month
OKorder Service Pledge
OKorder Financial Service
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