High Efficiency Polycrystalline Metal Roofing Solar Panels 305W
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- Loading Port:
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- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 watt
- Supply Capability:
- 1000000 watt/month
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Specification
Introduction of Poly solar panels CNBM
Polycrystalline Solar Panels 305W With High Efficiency
CNBM Solar photovoltaic (PV) Panel is designed for large electrical power requirements. It is the optimal choice for both on-grid and off-grid power systems. CNBM Solar panel offers high performance of power per square foot of solar array. Monocrystalline silicon(c-Si): often made using the Czochralski process. Single-crystal wafer cells tend to be expensive, and because they are cut from cylindrical ingots, do not completely cover a square solar cell module without a substantial waste of refined silicon. Hence most c-Si panels have uncovered gaps at the four corners of the cells.
Feature
1.Solar Cell : High efficiency crystalline solar cell. Even if under the weak light, the solar module can produce maximum power output.
2.Tempered glass (toughened glass): Anti-reflecting coating and high transmission rate glass increase the power output and mechanical strength of solar module.
3.EVA and TPT: Using high quality EVA and TPT to prevent destroying and water.
4.Long lifetime: ≥25 years; Less power decrease.
5.Resisting moisture and etching effectively, not effected by geology.
6.The certificate issued by international authority: UL, TUV, IEC, VDE, CE.
Specification
Characteristics of Poly solar panels CNBM | |||||
Max Power Voltage Vmp(V) | 30.3 | 30.8 | 31.1 | 31.4 | 31.85 |
Max Power Current Imp(A) | 7.60 | 7.64 | 7.73 | 7.81 | 7.85 |
Open Circuit Voltage Voc(V) | 36.1 | 36.6 | 37 | 37.3 | 37.68 |
Short Circuit Current Isc(A) | 8.50 | 8.55 | 8.65 | 8.75 | 8.85 |
Max Power Pm(W) | 230W | 235W | 240W | 245W | 250W |
Temperature Coefficient of Cells Poly solar panels CNBM | |
NOCT | 45℃ ± 2℃ |
Temperature Coeffucients of Isc (%/℃) | 0.0492 |
Temperature Coeffucients of Voc (%/℃) | -0.3374 |
Temperature Coeffucients of Voc (%/℃) | -0.4677 |
Mechanical Data of Poly solar panels CNBM | |
Dimension | 1638 × 982 × 40 mm |
Weight | 19.5 kg |
No. of Cells and Connections | 60 (6 ×10) |
Tolerance | 0 ~ + 5 W |
Cell | Monocrystalline Cell 156 × 156 mm |
Packing | 624 Pcs/40ft(H) Container |
Limits of Poly solar panels CNBM | |
Operating Temperature | -40℃ to +85℃ |
Storage Temperature | -40℃ to +85℃ |
Max System Voltage | 1000VDC(IEC) / 600VDC(UL) |
Guarantees of Poly solar panels CNBM | |
Products Guarantee | 12 yrs free from defects in materials and workmanship |
Performance Guarantee | No less than 90% within 10yrs and no less than 80% within 25yrs |
Certificates | TUV(IEC61215&IEC61730),VDE(IEC61215&IEC61730),UL,CE |
Packaging Information
Package:26pcs/box
Quantity:1 box/pallent
Loading Capacity:952pcs/40ft
- Q: Can solar panels be used to power a public transportation system?
- Yes, solar panels can be used to power a public transportation system. Solar energy can be harnessed through photovoltaic panels and converted into electricity to power electric buses, trams, or trains. This renewable energy source can significantly reduce carbon emissions and dependence on fossil fuels in public transportation, making it a more sustainable and environmentally friendly option.
- Q: If we invest billions in green energy and put up thousands of square miles of black panels that give off radiant heat couldn't that significantly cause more warming, not to mention the energy required to even make them?
- Claire's argument doesn't make much sense to me either. First; Claire is talking about the second law ('you can only lose or break even'), not the third law ('you can't get to absolute zero'). Easily confused, but not that important! Putting a solar panel down _can_ increase the heat absorbed by Earth. Everything has an 'albedo' (the proportion of incoming light it reflects), and Earth's average albedo is about 0.3 (ie 30% of incoming light is reflected, most of which leaves the atmosphere straight away). By putting a 0.05 albedo solar panel down on a 0.3 albedo surface, you increase the amount of sunlight that is absorbed by Earth and therefore contribute to warming. This heat is re-radiated at the Earth's temperature, in the right wavelength range to be absorbed by greenhouse gases too. If you put a panel down on equatorial ocean, or a black roof, however, there is pretty much no effect (since the albedo change is small). Also, the heating effect only lasts as long as the panel is there. Most panels are estimated to last 50 years, meanwhile CO2 has a mean lifetime of 00+ years. I did some maths and found that the 00 year averaged change in radiative forcing for solar panels was negative compared to the UK electric grid, because the reduction in CO2 emissions has a larger effect than the change in albedo. If I have spare time tomorrow I'll redo the calculations and share them. The albedo change has to be considered though!
- Q: How can I start working as a solar panel installer/technician without years of education?
- With okorder for a review of a bunch of these. If you could produce and install these, at a much lower cost, it would be a viable business opportunity. You could be helping satisfied customers who wouldn't otherwise be able to afford it and you would be working in your choice of careers. It wouldn't cost much to produce these and you could require a large percentage upfront. Anyway, another avenue to explore. Good luck!
- Q: Hi All,I need some resources for a research project i'm doing on Solar Panels/Cells.So do you know of any good books or online materials that basically covers how solar cellwork from level 0 to calculating the energy output based on intensity of the light and the area of the panel. Book titles will be preferable but i'd like to build a strong base before tackling long and complicated formula(s)... so any suggestions? Your help will be appreciated :)THANKS IN ADVANCE!!
- My guess is that you must pick up everything that have to do with solar power at www.okorder .
- Q: Can solar panels be installed on a shopping mall or retail center?
- Yes, solar panels can be installed on a shopping mall or retail center. Many commercial buildings, including shopping malls and retail centers, have ample roof space that can be utilized for solar panel installations. Installing solar panels on these buildings can help offset energy costs, reduce carbon emissions, and provide a renewable energy source. Additionally, it can also serve as a visible demonstration of the business's commitment to sustainability and environmental responsibility.
- Q: Can solar panels be installed on windows or glass surfaces?
- Yes, solar panels can be installed on windows or glass surfaces. There are specialized solar panels designed specifically for this purpose, known as transparent solar panels or solar windows. These panels are designed to allow light to pass through while still generating electricity.
- Q: Can solar panels be damaged by hail or other elements?
- Yes, solar panels can be damaged by hail or other elements. Hailstones, strong winds, and other extreme weather conditions can potentially cause physical damage to solar panels, such as cracks in the glass surface or dislodging of components. However, most solar panels are designed and tested to withstand such elements to a certain extent, and reputable manufacturers often provide warranties to cover any damages caused by hail or other weather-related incidents.
- Q: I own a townhome in the Phoenix area (my power company's SRP, if that makes a difference). Phoenix is a great place for solar. I could probably save money, in the long term, if I got some solar panels.But I am currently extremely broke, so I can't buy solar panels unless I will more or less immediately be paying no more than I am now per month, with little or nothing down. And most of the solar leasing places won't work with me, because (as is common for townhomes) I don't technically own my roof. I have permission to put things on it, but the property management people (or whoever actually owns my roof) won't sign the lease or whatever.Anyone know of either a way to buy solar panels without paying significantly more per month than I already do for electricity, or a solar leasing company that can work with the restrictions I have?
- Nope; I see no escape. Best advice I can give is this: sell out and move to a single home residence that has no HOA. If you want solar, I believe the main roofline should run east-west, so that the south exposure of the roof can be easily and economically populated with panels. APS is better than SRP wrt solar ....maybe. Im not sure, everythiong around here is APS so there's no balance. Ive occasionally heard rumors from SRP folks who are unhappy.... check into it before you buy.
- Q: OK so how do these solar panels supplement the AC from the grid? Like do they invert the output of the solar panels and sync two AC sources together? If so how and with what? Or do they convert the AC from the grid to DC and then supplement and then invert it? If so how and with what? Thanks
- you have had 2 good solutions already yet once you go with greater advantageous examining on photograph voltaic panels and technical suggestions on the factor components of a photo voltaic panel setting up take a seem on the link under which has over one hundred quite good articles on photograph voltaic.
- Q: I was thinking about getting some GE Solar Panels and on there website that I am on, I didn't really see a price. can anybody give me maybe an estimate on how much each one would cost? thanks
- Retail, between $5 to $6 /watt.
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High Efficiency Polycrystalline Metal Roofing Solar Panels 305W
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 watt
- Supply Capability:
- 1000000 watt/month
OKorder Service Pledge
OKorder Financial Service
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