• High Efficiency Polycrystalline Metal Roofing Solar Panels 305W System 1
  • High Efficiency Polycrystalline Metal Roofing Solar Panels 305W System 2
High Efficiency Polycrystalline Metal Roofing Solar Panels 305W

High Efficiency Polycrystalline Metal Roofing Solar Panels 305W

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
1000 watt
Supply Capability:
1000000 watt/month

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Specification

Material:
Polycrystalline Silicon
Max. Power(W):
305
Number of Cells(pieces):
72

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.

 Polycrystalline  Solar Panels 305W With High Efficiency

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: On how to connect a solar panel to a battery and then to a lightbulb,the project is offgrid..
But be aware that building your own panels will cost more than simply buying ready-made ones. This was not always true, but it is today. As you can see, this kind of information is widely available for free. Beware of scam sites that have a slick pitch making unrealistic promises, trying to sell you an e-book or video of the same stuff.
Q: I really would like to have my own solar panel, but i don't know how. Most of the panels i have looked at are for car batteries but i'm not sure how this would be able to be transfered into electricity. I'm looking to power things like lamps, a stereo and various chargers for phones and ipods. Please explain to me how i could adapt a solar panel to my uses. Thank you.
Sounds okorder .. I've seen the particular device listed there. While the lamp is mediocre for an LED light source, the panel is excellent - real polysilicon wafers, in an aluminum frame. Same construction as the kind of panels in commercial installations.
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!
Build okorder /
Q: Can solar panels be used on a backpack or portable device?
Yes, solar panels can be used on a backpack or portable device. These panels are typically lightweight and flexible, making them suitable for integrating into various portable devices. They can capture sunlight and convert it into electrical energy to power or recharge these devices while on the go.
Q: I have a solar panel 7.5V .25W 50mah, connect 2 in parallel to power a RC boat. The boat use to run on 6cell battery pack - 7.2V 800Mah.The dc motor requirement based on the provided battery pack, i assume would be 7.2V and rated at (7.2V * .8Amp) = 2.96 Watt.Would two of my solar panels run this DC motor ?are my calculations or understanding correct ?do lend a hand dear ''world''
Wood? Steel tubing could be a lot lighter. Use the hardest narrowest tires you can find bicycle wheels and tires would work nicely and they can be had with really light disc breaks. As for a motor a golf cart motor is made to order. You can get an old electric golf cart and have almost all the parts you will need. Hell cover the roof of the cart with photo voltaic and have a ball. Note I stress weight savings as weight will cost you energy and with photos you won't have much to spare. You will need a battery pac of some sort lithium are a better choice than lead acid. there is a ton more to consider good luck with your project.
Q: Looking to install solar panels in my house.
Wholesale prices for BP solar panels range between $335 for the 40 watts panel to $835 for the 70 watts panel. Here's a brief listing of wholesale prices for BP solar models: - BP340J solar panel (40 watts) @ $335 - BP350J solar panel (50 watts) @ $37 - BP375J solar panel (80 watts) @ $504 Right now I'm getting a series of 50 watt (7.5 volts) panels installed in my house. It's a start to reduce dependence on electricity bills and try get some tax rebates as well.
Q: Properties of solar panel?I know this is too general,but i am to write a report on the materials used to make solar panels,and i am to include the physical, mechanical ,and chemical properties of the materials.It's just too general,such that i am lost.There are so many types of solar panels.So i hope some experts on this subject can give me a general guide lines ,maybe the tensile strength ?as much as you can please.
The main property of solar panel is to convert solar energy into electrical energy. Solar panel has been made to convert solar energy i.e. natural energy into electrical energy. A combination of solar cells together forms a solar panel. Solar panel converts solar energy into electrical energy. Solar panel depends on natural and free resource rather than paid resources. Easy to plant. Low cost. Long lasting. Pollution free.
Q: Can solar panels be installed on a high-rise building?
Yes, solar panels can be installed on a high-rise building. In fact, high-rise buildings offer great potential for solar panel installations due to their large surface area and access to sunlight. However, it is important to consider factors like structural integrity, shading, and local regulations while designing and installing solar panels on high-rise buildings.
Q: it is just for a simple project, but i am looking for a cheap, low cost, around one to two volts solar panel regulator uld y'all please help?
duh, circuit city.
Q: Can solar panels be installed on a theme park or tourist attraction?
Yes, solar panels can be installed on a theme park or tourist attraction. In fact, many theme parks and tourist attractions have started to incorporate solar panels as a way to generate clean and sustainable energy. Solar panels can be installed on rooftops, parking lots, or even as part of decorative structures within the park. This not only helps to reduce the environmental impact of the attraction but also serves as a visible display of the commitment to renewable energy, inspiring visitors to consider sustainable practices in their own lives.

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