250 watt Solar Panels of High Quality 250W Poly Module

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Item specifice:

Material: Polycrystalline Silicon Max. Power(W): 250 Number of Cells(pieces): 60

Product Description:

250w 30V PV Module for Solar System Poly Panel


CNBM is a high-technology enterprise which specially engaged in solar products development, production, sales and service. The range of our products includes solar cell series, solar module series and solar system from 100w-100kw.  We focus on establishing, equipped with advanced electronic equipment, backed by experienced technical support and professional high-quality managers. 

 

CNBM solar products meet with great favor of customers at home and abroad. We enjoy a good reputation from our customers for high quality, competitive price, prompt delivery and best service. There is a stream of developing, producing and marketing elite, who are full of experience of solar products research and development. They hold professional service and customers’ contentment as their aim, and take high efficiency, excellence, and top quality as the highest mission. 


1. Max Power Poly Solar Panel 250W 

2. Type of Connector : Compatiable Type MC4 

3. No. of Draining Holes in Frame : 16 

4. High Transmission ,Low Iron and 3.2mm Tempered Glass 

5. EVA Encapsuiation 

6. White Tedlar Back side 

7. IP65 Rated Junction Box 

8.Clear Anodized Aluminum Alloy Type 6063T5 Frame 

Standard Test Condition : 

1. 1000W/m*m ;

2. 1.5AM 

3. 25 Degree Cell Temperature ;

  • High conversion efficiency,cell efficiency 16%

  • Low power tolerance of 0~+3%

  • Low degradation under light exposure

  • Can withstand high wind-pressure,snow load and extreme temperature

  • Passing IEC 61215 2400Pa mechanical load test

  • 10-year warranty on product materials and processing technology

  • Power output warranty:10 years:90%,25 years:80%

  • ISO 9001:2008(Quality Management System) certified factory

  • IEC61215,IEC61730 ,MCS CEC certified products

  • TUV,CE conformity

  • On-grid residential roof-tops

  • On-grid commercial/industrial roof-tops

  • Solar power plants

  • Off-grid system

  • Other on-grid application

250 watt Solar Panels of High Quality 250W Poly Module

 

Quality and Safety :        

 

1. Industry leading power output warranty, 25 year 80%, 10 year 90% power warranty and 10 year product warranty

 

2. ISO9001:2008 (Quality Management system) certified factory

 

3. Product Quality warranty & products Liability Insurance to guarantee and user' benefits

EN 6100-6-3:2007 ; EN 610-3-1:2007(IEC 61000-4-2:2008     IEC 61000-4-3:2008)


Pre sale:

1.Our sales representative and engineer work together to answer your questions and offer solution for free

2.We choose the best product for you to make sure it worth its real value

3.We design the best solution with good perfomance for you,manwhile save every cent of your money.


After sale:

We provide 10 years Warranty for the product, 12 years warranty for 90% power production ,25 years warranty for 80% power production.




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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:Solar panels single crystal and double crystal in the rain which is easy to use
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 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:Can cold light make solar panels power
light - heat - dynamic - electric conversion method through the use of solar radiation generated by thermal power, usually by the solar collector will absorb the heat energy into the refrigerant, and then drive the turbine power generation. The latter process is the light-heat transfer process; the latter process is the heat-to-conversion process, which is the same as the conventional thermal power generation.
Q:Single crystal solar panels and polycrystalline solar panels
Monocrystalline silicon cells in the laboratory to achieve the conversion efficiency of 24.7%. Ordinary commercial conversion efficiency of 10% -18%. Monocrystalline silicon solar cells because of the production process problems, generally its semi-silicon ingots for the cylindrical into, and then through the slice -> cleaning -> diffusion knot -> remove the dice -> the production of electrodes -> corrosion around -> Reflective film and other workers made of finished products. General monocrystalline silicon solar cells four corners for the fillet. Monocrystalline silicon solar cell thickness is generally 200uM-350uM thick, and now the production trend is to ultra-thin and efficient direction
Q:What is the difference between solar panels and light panels?
The highest conversion efficiency in the laboratory is 24.7%, and the efficiency of the scale is 16%. Polysilicon conversion rate of 14% -15%. Amorphous silicon conversion rate of 12%. Silicon film conversion rate of 9%. Silicon solar cell is the main raw material of silicon, silicon is an extremely rich element of the earth, almost everywhere there are silicon, can be said to be inexhaustible, with silicon to create solar cells, raw materials can be described as no shortage.
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:Polycrystalline solar panels are good or single crystal solar energy is good
Pre-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.
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?
The sun is irradiated on the semiconductor p-n junction to form a new hole-electron pair. Under the action of the p-n junction electric field, the holes flow from the n region to the p region. The electrons flow from the p region to the n region, and the current is formed after the circuit is turned on. This is the photoelectric effect of the working principle of solar cells.

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