• POLY SOLAR PANELS-280W-HIGH QUALITY AND GOOD PRICE System 1
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  • POLY SOLAR PANELS-280W-HIGH QUALITY AND GOOD PRICE System 3
POLY SOLAR PANELS-280W-HIGH QUALITY AND GOOD PRICE

POLY SOLAR PANELS-280W-HIGH QUALITY AND GOOD PRICE

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
100 watt
Supply Capability:
50000000 watt/month

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Product Description:

Solar Polycrystalline Series Panels

Introduction of Polycrystalline Solar Panels

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. Polycrystalline 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.

 

Characteristics of Polycrystalline Solar Panels

I Solar Cell : High efficiency crystalline solar cell. Even if under the weak light, the solar module can produce maximum power output.

II Tempered glass (toughened glass): Anti-reflecting coating and high transmission rate glass increase the power output and mechanical strength of solar module.

III EVA and TPT: Using high quality EVA and TPT to prevent destroying and water.

IV AI frame: Without screw, corner connection. 6 holes on the frame can be installed easily.

V Junction box: Multi function junction box with water proof.

VI Long lifetime: ≥25 years; Less power decrease

VII Good performance of preventing from atrocious weather such as wind and hails.

VIII Resisting moisture and etching effectively, not effected by geology.

 

Standard Test Conditions of Polycrystalline Solar Panels

The opto-electrical specifications shown below are stabilized values being measured at Standard Test Conditions, Irradiance: 1000W/m2, Spectrum: AM1.5 at 25°C, The info below is subject to manufacturing tolerances. Where appropriate minutes of measurement are available and are used for the dimensioning of the installation.

 

Advantages of Polycrystalline Solar Panels

A. Professional Manufacturers

B. A grade solar cell with Positive tolerance poweroutput.

C. High Conversion Efficiency , High transmission rate , low iron tempered Anti-reflecting/coating film 3.2mm glass

D. Anti-aging & high visosity EVA

E.High frame resistant & Double-sided fluorine TPT

F. Anodized aluminum alloy high thickness frame

G. 3 or 6 bypass diodes , 90mm 4m2 cable , MC4 connectors & waterproof junction box

H. Long life, Easy installation, high wind & hail impact resistance

I. Be resistant to atmospheric exposure & effects of de-lamination

J. ISO9001:2008/ISO14001:2004 / TUV/ CE / CEC/ IEC/EN61215 IEC/EN61730/CHUBB INSURANCE

 

Characteristics of Polycrystalline Solar Panels

 

Max Power Voltage Vmp (V)

36.6V

36.9V

Max Power Current Imp (A)

7.66A

7.73A

Open Circuit Voltage Voc (V)

44.2V

44.2V

Short Circuit Current Isc (A)

8.26A

8.32A

Max Power Pm (W)

280W

285W

Temperature Coefficient of Cells

NOCT

47±2

Temperature Coefficients of Isc (%/)

0.064

Temperature Coefficients of Voc (%/)

-0.33

Temperature Coefficients of Pmp (%/)

-0.45

Mechanical Data Solar Polycrystalline Series

Power

280W/285W

Dimension

1954×982×40mm

Weight

27.5kg

Tolerance

±3%

The dimension of the modules can be changed according to the demand of clients Limits.

Operating Temperature

–40 °C to +85°C

Storage Temperature

–40 °C to +85°C

Max System Voltage

700V

Guarantee Solar Polycrystalline Series Panels

Products Guarantee

10 yrs free from defects in materials and workmanship

Performance Guarantee

No less than 90% within 10yrs and no less than 80% within 25yrs

Certificates

IEC, ISO, TUV, CE

 

Package of Solar Polycrystalline Series Panels

 

 

POLY SOLAR PANELS-280W-HIGH QUALITY AND GOOD PRICE

 

POLY SOLAR PANELS-280W-HIGH QUALITY AND GOOD PRICE

 

POLY SOLAR PANELS-280W-HIGH QUALITY AND GOOD PRICE

 

 

FAQ

 

We have organized several common questions for our clientsmay help you sincerely

 

1.    What’s price per watt?

A: It’s depends on the quantity, delivery date and payment terms of the order. We can talk further about the detail price issue. Our products is high quality with lower price level.

 

2.    How to ensure 10 years warranty? Lots of small producers will bankrupt before 10 years warrany period.

Okorder is a Third Guarantee flat. Okorder is a state-owned B2C company which is supported by Chinese government. We also apply ensurance company so can ensure our customer with 10 years warranty. Okorder's biggest advantage is that we are Fortune 500  enterprise which can bring our customer confidence with future operation.

 

3.    How do you pack your products?

We have rich experience on how to pack the panels to make sure the safety on shipment when it arrives at the destination.

 

4.    Can you do OEM for us?

Yes, we can. We will satisfy our customer's any requirement. Our purpose is let our customer to satisfy with our service and product and brand.

 

5.    How long can we receive the product after purchase?

In the purchase of product within three working days, We can arrange the factory delivery as soon as possible. The perfect time of receiving is related to the state and position of customers. Commonly 7 to 10 working days can be served.

 

 

Q:Hi, I am starting to get curious about the pros/cons of installing solar panels - has anyone done it and is it worth it?
Solar is mroe expensive than just about every other form of generation for a centralized plant, but can still be cost-effective for a consumer living in the right place. This is because while a coal-fired plant may produce electricity for 2-3 cents per kWh, by the time it's marked up to retail, distributed, and taxed to get to a residence, it may be 5 cents per kWh - a figure which solar can match in many places.
Q:Can solar panels be used to power electric vehicles?
Yes, solar panels can be used to power electric vehicles. Solar panels generate electricity from sunlight, which can be stored in batteries and used to charge the electric vehicle's battery pack. This renewable energy source provides an eco-friendly and sustainable way to power electric vehicles.
Q:Which of these units determines how much electric energy a solar panel can generate?
For a particular solar panel, you can't choose between the intensity and the power in terms of which determines the energy produced in a given time, because the two concepts are related. Intensity is the power per unit area. So if you have twice the intensity on a particular panel, solar energy is being delivered at twice the rate. However, if you were to compare two solar panels on which the same light intensity was falling, the panel with greater area would produce electrical energy at a greater rate, as power in intensity times area. In that sense, I'd say that the solar power input determines the electrical power output.
Q:Is it really possible for me living in Denver to build and install and setup my own solar panel to help make electricity for my home?
Build okorder /
Q:I want to install solar panels in my roof and most installers don't recommend any particular brand. Do you have experience with any particular brand that has worked for you or anybody you know? Does the brand of the panel make a difference?
You don't say what you are doing. Are you trying to get electricity from them and need solar photovoltaic panels or are you trying to run a heating or hot water system and need solar thermal panels. It is unfortunate that both of these are known as solar panels as they are really two entirely different designs. Currently the solar thermal panels are more efficient and therefore have a quicker pay back period usually measured in lower single digit years while the photovoltaic panels have paybacks that are sometimes more than double that unless you figure in increased property values and state and federal subsidiaries and tax credits where available. Edit: Recent advances make any current investment in photovoltaic panels likely to be obsolete in 5 years. Still someone has to be on the cutting edge. Two currently available technologies are concentrating the sun's rays within the collector on a much small chip area.2 This improves the efficiency and lowers the cost as concentrators are cheaper than chips. The other option is newer chips that accept a wider spectrum of solar energy.3 This has the potential advantage of producing more energy on cloudy days. This may not be so important in your situation. Balanced against cutting edge technology will be the possibility of getting older panels at a less expensive cost. The bottem line will always be pay back period. More panels at a lower efficiency and cheaper price will be just as good as high efficiency at a higher price if the numbers work out. 4 Between two answers here you now have a criteria for selection and some recomendations. Good luck with your project.
Q:i've heard that solar panel batteries have to be replaced withen 5-0 years. how much do solar panel batteries cost? please include sources!
solar panel batteries have many sizes. we can provide the price based on the power. in China it is 0.5625 dollar per watt.
Q:Can solar panels be used in areas with high levels of dust storms?
Yes, solar panels can be used in areas with high levels of dust storms. However, it is important to regularly clean and maintain the panels to ensure optimal performance. Dust storms may cause a temporary decrease in energy production, but it can be mitigated by implementing proper maintenance practices such as cleaning the panels and installing protective measures like dust shields.
Q:i was told that by making a solar panel they cause more pollution than they will end up getting rid of. Is that true?
Absolutely not. This is a myth. The energy payback of a solar panel far outweighs its cost. With current technology (which is vastly improving every year), the payback begins in about -4 years depending on climate. This means that after -4 years, the solar panel has generated the same amount of energy that was used in its entire creation up until the point that it was installed. The panel will then continue to generate power for another 20-25 years at 90-98% capacity if properly maintained. The U.S. Department of Energy has conducted extensive studies on the subject and the results (which i'm quoting) can be viewed on their PV Faq page...
Q:Can solar panels be installed on ground-mounted structures?
Yes, solar panels can be installed on ground-mounted structures. Ground-mounted solar panel systems are commonly used when there is limited space on rooftops or when the optimal orientation and tilt angles cannot be achieved on a building's roof. Ground-mounted structures provide flexibility in panel placement, allowing for optimal sun exposure and ease of maintenance.
Q:Can solar panels be used for heating a greenhouse?
Yes, solar panels can be used for heating a greenhouse. Solar panels can generate electricity, which can then be used to power heating systems in a greenhouse. Additionally, solar thermal panels can directly capture the sun's heat and transfer it to the greenhouse, providing an efficient and sustainable heating solution.

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