300w Poly Solar Panels for Sales for Home Use and Power Plant
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 watt
- Supply Capability:
- 122333 watt/month
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Specification
Material:
Polycrystalline Silicon
Max. Power(W):
300
Number of Cells(pieces):
72
China National Building Material Group Corporation
CNBM International Corporation is a professional solar panel manufacturer in China for CNBM brand . Silicon panel ( silicon module), as our main product, has high quality and good service. Our products are very popular in Europe, Australia, England, Middle East, Mexico, Argentina, Chili, Singapore and Africa.
Furthermore, our products have gained international authorized certificates like TUV, UL and CE.
China National Building Material (Group) Corporation (CNBM), established in 1984, is one of the largest State-owned group corporations of building & mechanical materials which specializes in the design, manufacturing and distribution of building materials in the world.
Solar Panel Product Description
1. Solar panel nominal 12/24v DC for standard output
2. Solar panel encapsulated with high transmission low-iron, 3.2mm tempered glass.
3. Aesthetic appearance and rugged design.
4.Cells are laminated with TPT and EVA ensuring longer life and maximum performance.
5. PV module easy to install.
6. TPT imported from Krempel, Germany.
7. High Solar cell-conversion efficiency of solar cell: up to 21% and stability with guaranteed 3%power output tolerance.
Advantage:
1. Solar panel varied from 3W to 300W with ISO, CEC, TUV, and CE approval, offering the full spectrum sizes to help you more with one-stop buying.
2. Fast shipment.
3. Good quality and competitive price.
4. We offer knowledgeable tech support before and after the sale.
5. Local warehousing and techincal support.
6. Easy Installation & Maintanance.
- Q: Does anybody know if there are any courses for solar panel installation, and/or what trades you need for this position?
- If you are in the UK, then the Centre for Alternative Technology courses (CAT in Wales) have had some great feedback.. .. A lot of companies are actively recruiting and offer training courses as part of their induction. Have a look at the bigger ones recruiting near you.
- Q: Are solar panels environmentally friendly?
- Yes, solar panels are environmentally friendly. They produce clean and renewable energy by converting sunlight into electricity, resulting in reduced greenhouse gas emissions and air pollution compared to fossil fuel sources. Additionally, solar panels have a long lifespan and can be recycled, further minimizing their environmental impact.
- Q: What direction do solar panels usually point? North? East? South? West?
- I can't believe how many people posted wrong answers to this. Where are they looking? What are they thinking? In the northern hemisphere, solar panels are ALWAYS oriented due south. In the southern hemisphere, face them due north. I am typing on a computer that is running on a solar electric system that supplies my whole house. Been this way for years. So it works.
- Q: I'm building a solar panel for the first time and have the tabbed solar cells. I put together 4 strings of 9 cells. And the cells are each 0.55V, 3.6A.Because I'm going to be using the panel indoors and leaning it up against a window pane, I put them in a 24x36 inch poster-size frame. The frame has a plexiglass cover and a thick cardboard backing. My question to you is this. Will the cardboard backing up against the metal underside (positive side) of the solar cells be ok? I don't know if it may catch fire or if holes may burn through when there's full sun.My guess here is it should be ok. But maybe I'm wrong. If I am wrong, or if something should be put in between, please let me know what I should use.Thanks everyone!
- In commercial panels some sort of polymer is often used for backing. With a 2V panel there are 36 cells, which means they can still output about 4V for charging a 2V battery even when hot. The voltage reduces about 2.2mV per degree C per cell. Commercial panels are meant to work up to about 60 degrees C, which is quite normal in the sun. I have found just lying them on the grass the air circulation is reduced, and they get too hot to charge a 2V battery. This means the backing should have good thermal conductivity while being an electrical insulator, as well as mechanical strength. The cells are often encapsulated in a thermosetting plastic first, then laid face down so a liquid polymer can be poured as backing.. I have removed commercial panels from their frames and re-packaged them to work in a very wet environment. I suppose cardboard would work, but it is unlikely to have good cooling so the expected voltage would be lower. As you intend to only operate indoors I suppose it is unlikely you have full sun most of the time anyway, so there could be less heating and less output current accordingly. I think the cardboard is only useful for a short time, and is not strong enough. Temperature wise it is marginal. The link below uses plywood for the backing. The backing is supposed to provide strength too. A sheet of some sort of plastic or laminate (including melamine laminate as in kitchen bench tops) comes to mind too. The cells are supposed to be bonded to the backing for better thermal conductivity. Use silicon RTV to stick cells to the backing, very thinly.
- Q: Do they really save energy? Cut or almost eliminate your electricity bill, if so, how much?Do they have a reserve unit to save electricity that I don't use, to use when the sun is not out?Can it produce enough electricity to cool a house and keep lights and appliances runningLastly, how much are the panels are running for.
- Instead of paying for electricity, for the past three years I've actually ended up with a cheque from the power company believe it or not! :) I got some extremely cheap solar panels from this guide I read, I'll try and find a link for you.. that's one less thing to worry about during the recession I suppose! Haha The guide I used was here: tiny /solar789 my mum was the one who said I should take a look at it, since she's been using the techniques for donkey's years.
- Q: i need to make a mini-solar car which shouldn't cost much. it's for my science project. for now, i just found out how to make a solar panel using copper oxide, but it does not generate enough power to power up the engine of the toy car [ the small engine they used in the toys, like from TAMIA]
- There are several types of solar panels. If you mean photovoltaic panels for generating electricity, that is a really advanced project that few amateurs are equipped to do. In the long run, it will be a lot cheaper and easier to buy factory made PV panels. You can try building one by sandwiching an array of photovoltaic cells between a sheet of glass or plexiglass and a sheet of aluminum. Remember that this assembly must be able to withstand great heat, and it must be sealed to make absolutely sure it does not leak.
- Q: What is the working principle of solar panels?
- the inorganic salts such as gallium arsenide Ⅲ-Ⅴ compounds, cadmium sulfide, copper indium selenium and other multi-compounds as the material of the battery;
- Q: So I'm trying to figure out what to ask for my birthday because its one of the few times I can get stuff for no reason, like stuff I don't normally go to the store to buy. (i dont go to the store to get much at all anyway).Anyway, I'm interested in solar panels and led and electronics and i was wondering if there is anything not over expensive that would be cool. Some things I'm interested in:solar, wind, water energyGadgets (multitools, swiss army knives)Vibram fivefingersdrawingmaking stuff (duct tape wallets, stuff out of altoids containers)basically technology and outdoors-gear stuffoh and im 6 turnin 7 male.
- solar panel is expensive, but small solar panel is not expensive, for example, 5w solar panel, solar light also not expensive led light also not expensive. i am not sure about other stuff that you said
- Q: Can solar panels be installed on a museum or cultural institution?
- Yes, solar panels can be installed on a museum or cultural institution. Installing solar panels can help these institutions reduce their energy costs and carbon footprint, while also showcasing their commitment to sustainability and environmental stewardship. Additionally, solar panels can be installed on rooftops or in nearby open spaces, minimizing any aesthetic impact on the museum's architecture or surrounding areas.
- Q: Can solar panels be used to power a satellite?
- Yes, solar panels can be used to power a satellite. Solar panels are commonly used in satellites to convert sunlight into electricity, which is then stored in batteries for use during periods when the satellite is not in direct sunlight. The efficiency and reliability of solar panels make them an ideal choice for powering satellites in space.
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300w Poly Solar Panels for Sales for Home Use and Power Plant
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 watt
- Supply Capability:
- 122333 watt/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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