CE/IEC/TUV/UL250W Poly Solar Panel China

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Loading Port:
Tianjin
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TT OR LC
Min Order Qty:
1000 watt
Supply Capability:
20000 watt/month

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Product Description:

Introduction

 

250W solar panel with high output high effecient panel with CE TUV UL certificate this product are mainly using for business and indudries field and has a good reputation all over the world.

 

Characteristic

 

stable qualtiy with competitive price

using advanced equipment to produce each panel

Certifications: CE IEC TUV VDE, Class

10 years 90% output warranty

25 years 80% output warranty

Poly-crystallize Solar Cells from Taiwan or Germany

Product life over 25 years

 

Detailed parameter

 

size

156mm×156mm±0.5mm

 

thickness

180µm±20µm and 200µm±20µm

 

Front design

1.5 mm bus bars (silver),blue anti-reflection coating(silicon nitride)

 

Back design

2.0 mm wide segment soldering pads(silver),back surface field (aluminium)

 

OVC ratio

-0.331%/K

 

SCC ratio   

+0.042%/K

 

output ratio 

-0.41%/K

 

Packing

usually we use pallets and cartion to pack the products. we pack 26pics into one carton,then we use pallet to fixed the carton. we also printed the bar code onto the carton and it also include the parameter about this product. 

CE/IEC/TUV/UL250W Poly Solar Panel China

                              

                          

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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: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: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:The voltage and power problems of solar panels
From morning to night (with sunshine) solar panel voltage is generally relatively stable, that is basically about 30V; but the output power is always changing, sooner or later, noon; if it is good quality solar energy,
Q:How many solar panels have ah?
However, crystalline silicon (monocrystalline silicon and polysilicon) in the weak light is basically no current generation, amorphous silicon weak light type (in low light energy is rarely). So a comprehensive view, it is appropriate to use monocrystalline silicon or polycrystalline silicon solar cell materials. Second, the choice of solar cells 1, we buy solar cells, the focus is on the power of solar cells, in general, the solar panel power is proportional to the area of ​​solar chips.
Q:Why can not the solar panel load directly?
Power supply must be a number of individual battery strings, connected in parallel and tightly packaged into components.
Q:What is the working principle of solar panels?
The production of solar cells is mainly based on semiconductor materials, its working principle is the use of optoelectronic materials to absorb light energy after the photoelectricity in the conversion reaction, according to the different materials used, solar cells can be divided into:
Q:Composition and function of solar panels
In addition to the quality of EVA itself, the components of the manufacturers of laminated technology is also very large, such as EVA glue degree is not up to standard, EVA and tempered glass, backplane bonding strength is not enough, will cause EVA early aging, affecting components
Q:What is the principle of solar panels to convert solar energy into electricity?
scientists have applied solar cells to space technology - communication satellites. At the end of the last century, in the process of human self-reflection, this clean and direct energy form for photovoltaic power generation has become more cordial, Not only in space applications, in many areas also show their talents. Such as: solar garden lights, solar power generation system, the village power supply independent system, photovoltaic pumps (drinking water or irrigation), communication power, oil pipeline cathodic protection,
Q:Solar panels single crystal and double crystal in the rain which is easy to use
Polycrystalline silicon solar cell production process and monocrystalline silicon solar cell almost, but the polysilicon solar cell photoelectric conversion efficiency will have to reduce a lot of its photoelectric conversion efficiency of about 12% (July 1, 2004 Japan Sharp market efficiency of 14.8% Of the world 's most efficient polysilicon solar cells).

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