280W Poly Solar Panel Wholesale Low Price

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China main port
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TT OR LC
Min Order Qty:
280 watt
Supply Capability:
20000000 watt/month

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Features of 280W Solar Panel Wholsale                                                          

•Our 280W solar panel is designed according to and complying with all requirements in IEC 61730 and IEC 61215 ed2(Certified by TUV Rheinland )
•CNBM use on our 280W solar panel white tempered glass, EVA, weather-proof substrate film and anodized aluminium frame to provide adequate protection against various environmental conditions
•Visual inspection, performance measurement and dielectric strength tests on every solar module
•Each of our solar panel is backed by a 25 year limited power warranty (≥80%) and 10 year workmanship warranty
•Customization upon request.

Warranty of 280W Solar Panel Wholsale

  • 10 year limited product warranty on materials and workmanship.

  • 25 year limited power warranty on power output.

  • ≥90% power output assurance for 10 years and ≥80% power output assurance for 25 years.

  • Refer to warranty document for detailed warranty information. 

Data Sheet of 280W Solar Panel Wholsale

Model

 280W Solar Panel Wholsale

Encapsulation

Glass/EVA/Cells/EVA/TPT

Nominal power Pm

280W

Power allowance

±3%

Open circuit voltage Voc(V)

46.5

Short circuit current Isc(A)

5.62

Max.power voltage Vmp(V)

37.2

Max power current Imp(A)

5.38

Practical module efficiencyHC(%)

16.3%

Dimension of module (mm)

1580*808*35

Net weight (kg)

14.5

Packing (pcs/carton)

2

Max system voltage (V)

1000VDC

Operate Temp Scope

-40/+85%

Resistance

227g steel ball fall down from 1m height and 120m/s wind

Warranty

Pm is no less 90% in 10 years and no less 80% in 25 years

STC

Stardard Test Condition: Am 1.5 and 25°C

 Product Show of 280W Solar Panel Wholsale

 

280W Poly Solar Panel Wholesale Low Price

280W Poly Solar Panel Wholesale Low Price

280W Poly Solar Panel Wholesale Low Price

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Q:Solar panels single crystal and double crystal in the rain which is easy to use
At present, monocrystalline silicon solar cell photoelectric conversion efficiency of about 15%, the highest reached 24%, which is all types of solar cells in the photoelectric conversion efficiency of the highest, but the production cost is so large that it can not be a large number of extensive And commonly used. Since monocrystalline silicon is typically coated with tempered glass and waterproof resin, it is rugged and durable for up to 15 years and up to 25 years.
Q:What is the working principle of solar panels?
the material is easy to industrial production and material performance and stability.
Q:What is the principle of solar panels to convert solar energy into electricity?
optical cable communication pump Station power, seawater desalination system, urban road signs, highway signs, etc. Europe and the United States and other advanced countries will be integrated into the photovoltaic power generation system and remote areas of natural village power supply system into the development of the combination of solar cells and building systems have been formed industry Trends
Q:Single crystal solar panels and polycrystalline solar panels
monocrystalline silicon market share and a slight increase, and now the market to see the majority of single-crystal silicon cells. Monocrystalline silicon solar cell silicon crystal is very perfect, its optical, electrical and mechanical properties are very uniform, the color of the battery is mostly black or dark, especially for small pieces of small pieces of consumer products.
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:Composition and function of solar panels
Used to bond fixed tempered glass and power generation (battery), transparent EVA material directly affect the quality of the component life, exposure to the air in the EVA easily aging yellow, thus affecting the component's light transmittance, thus affecting the components
Q:Polycrystalline solar panels are good or single crystal solar energy is good
From the cost of production, than the monocrystalline silicon solar cells to be cheaper, easy to manufacture materials, saving power consumption, the total cost of production is low, so get a lot of development. In addition, the polysilicon solar cell life than monocrystalline silicon solar cells shorter. From the performance and price ratio, monocrystalline silicon solar cells also slightly better.
Q:What is the principle and structure of solar panels?
Solar power generation system consists of solar cells, solar controllers, batteries (group) composition. If the output power is AC 220V or 110V, also need to configure the inverter. The role of each part is
Q:What is the principle of solar panels work?
light - heat - electric conversion method through the use of solar radiation generated by thermal energy, usually by the solar collector will absorb the heat into the refrigerant refrigerant, and then drive the turbine power generation. The previous process is the light-heat conversion process; the latter process is the thermo-electrical conversion process.
Q:How many solar panels have ah?
Classification of solar cells: Currently on the market of solar cells into amorphous silicon and crystalline silicon. Crystalline silicon can be divided into polysilicon and monocrystalline silicon. From the photoelectric conversion efficiency of the three materials is: monocrystalline silicon (up to 17%)> polysilicon (12 ~ 15%)> amorphous silicon (about 5%).

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