• 12V Polycrystalline Solar Panels 250W with High Efficiency System 1
  • 12V Polycrystalline Solar Panels 250W with High Efficiency System 2
12V Polycrystalline Solar Panels 250W with High Efficiency

12V Polycrystalline Solar Panels 250W with High Efficiency

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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):
250
Number of Cells(pieces):
72

Introduction of  Poly solar panels CNBM

Polycrystalline  Solar Panels 250W 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 250W 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: Are there any disadvantages to using solar panels?
Yes, there are a few disadvantages to using solar panels. Firstly, the initial installation cost can be relatively high, making it a less affordable option for some individuals or businesses. Additionally, solar energy production relies on sunlight, which means that solar panels are less effective during cloudy or rainy days, or at night. This intermittency requires a backup energy source or energy storage system, adding to the overall cost. Moreover, solar panels require a significant amount of space for installation, which may not be feasible in densely populated areas. Lastly, the manufacturing process of solar panels can have environmental impacts, as it involves the use of certain materials and chemicals. However, it is worth noting that continuous advancements in technology are reducing these disadvantages, making solar panels an increasingly viable and sustainable energy solution.
Q: If i took a lazier pointer and aimed it a solar panel would it take in the light. Also what types of lights would work on a solar panel like L.E.D, uv light bulbs.
a million. Do they scratch actually? No How do I eliminate snow from them without scratching them? purely wipe the snow off 2. What does the maintenance of many image voltaic panels contain? sparkling them with faucet water and paper towels as quickly as a month. 3. Are all image voltaic panels created from the comparable fabric, regardless of length? extremely the comparable.
Q: Can solar panels be connected directly to motor?
Power supply must be a number of individual battery strings, connected in parallel and tightly packaged into components.
Q: How does the snow cover get removed from the panels?
Just okorder /... As an aside the efficiency of the panels will also be maintained if the panels are cleaned of dust and debris. The maintenance of removing snow and dust is one argument for having the panels on a rack on the ground. Solar Thermal panels are intended to capture the sun's heat. Two types that make hot water are flat panels and vacuum tube collectors. The vacuum tube collectors work better in colder and cloudy areas but their efficiency prevents heat loss that might melt snow. Most of a light snow will fall between them but you are back to maintenance with a heavier snow. Flat panels are less efficient and will melt a light snow off of the panels for a heavier snow you will need the roof rake. The last type of solar panel are solar air panels. These are most often mounted on the side of a house rather than the roof as they are intended to provide hot air to the living spaces. They are essentially like little greenhouses. Unless the snow is building up against the side of the house these should be free from a snow problem.
Q: What's the best deal going on companies leasing out Solar Panels in California?
Solar okorder
Q: I am interested in solar energy, but am not sure how eficiant it would be in the northwest? Any comments would be apriciated.
Are solar panels a good thing to do for the environment? - Yes. Can you recoup the cost your investment in the solar cells/panels in any reasonable amount of time in Seattle? - most likely - not. I know it's been a miserable spring in Seattle, but, I think we got 3 sunny days last month. With the number of cloudy/rainy days here, solar will only really benefit you in June, July, August and September. There are two kinds of solar panels - electric or water based. The electrics - photovoltaics - are costly to purchase and it's difficult to store the electricity once you make it. A water heater type solar panel initially cost less and can provide some benefit even on partly cloudy days. I have even seen instructions on how to build your own (if you are frugal and handy) I just do not think it's worthwhile in Seattle - if it was Denver or Phoenix we were talking about - then it would be a different story.
Q: What do these mean? I'm interested in doing a solar panel project. The problem is I know nothing about electricity, wiring, or panels so I've bought a small panel to experiment with first.I don't know what amps, watts, or volts are; what I should be reading on the batteries I will be charging? Or on the small appliances I will be running?The panel I bought has four settings:. 3V ---- 200mA2. 6V ---- 00 mA3. 9V ---- 50mA4. 2V ---- 50 mA(What is mA?)Also, will you give examples of what I can run with this? Make up any scenarios with whatever amps/volts/watts.
okorder / to see our solar panel project.
Q: i am very much interested in making a solar panel, my problem is where i can acquire the main components in order to build it, i am staying here in abu dhabi UAE i'm always searching on the internet for shops that can provide me a DIY kit but i did not find one, i need somebody who knows where i can get these things, please let me know.
Have okorder . This can immediately instruct each and every one!
Q: Can solar panels be installed on a military base?
Yes, solar panels can be installed on a military base. In fact, many military bases around the world have already implemented solar energy systems as part of their efforts to reduce dependence on fossil fuels and increase sustainability. Solar panels can be installed on rooftops, parking lots, or open grounds of military bases to generate clean renewable energy.
Q: Do LED lamps ever go bad?What's the life expectancy of solar panels?
LEDs last approximately 50,000 hours of operation, continuous or non-continuous, it doesn't matter. 50,000 hours. Solar panels will, theoretically, last until the end of time. The support structures will fail long before the panels themselves. Inverters, battery banks, op-amps, transformers, control boards, etc. will all fail long before a solar panel stops making juice.

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