Poly 72 Cells 270W Solar Panel with Efficiency of 17.6%

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Shanghai
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TT OR LC
Min Order Qty:
10000 watt
Supply Capability:
1000000 watt/month

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Item specifice:

Material: Polycrystalline Silicon Max. Power(W): 270 Number of Cells(pieces): 72

Product Description:

Product Description

Poly 72 pcs 270W solar panel system with Efficiency >17.6%
Poly 72 Cells 270W Solar Panel with Efficiency of 17.6%

Specifications for solar panel system:
 

Type of cellPoly 
Maximum power (Wp)270W
Maximum power voltage (V)37V
Maximum power current (A)8A
Open circuit voltage (V)44.6V
Short circuit current (A)8.5A
Number of cells (Pcs)72
Size of module (mm)1950*992*45
Maximum system voltage (V) 1000
Temperature coefficients of Isc (%)+ 0.1/ °C 
Temperature coefficients of Voc (%)-0.38/ °C 
Temperature coefficients of Pm (%)-0.47/ °C 
Tolerance Wattage (e.g. +/-3%)+/-3%
Surface Maximum Load Capacity60m/s(200kg/sq.m)  
Weight per piece (kg)23kgs
Junction Box Type 4mm2,  Length:1000mm, TUV,using irrigation methods sealing glue
Connectors and Cables Type MC4
Output Cables (mm) φ=4mm², L=900mm
Cell Efficiency (%)≥17.6%
Output tolerance (%)+/-3%
Frame (Material, Corners, etc.)Aluminum
Front Glass3.2mm high transmission, Low Iron, Tempered Glass
Warranty10Years products warranty and 25 years 80% of power
Standard Test Conditions AM1.5  1000mW/cm2  25°C 
FF (%) 72%
Operating temperature ºC-40 °C ~+85 °C


Packaging for solar panel system:


2pcs/carton, 180pcs/20GP or custom

Advantages for solar panel system:

1.Long Service Life can reach more than 25 years
2.High Efficiency Solar Cells 
3.Special Aluminum Frame Design, 
 4.High Transmission, Low Iron Tempered Glass
5.Advanced Cell Encapsulation.

Solar Panel System Application:

1. Solar power station, field operation some huge engineer construction;
2. Living house and home building;
3. Office building, factory and warehouse;
4. other industrial and commercial applications.


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Q:Why can not the solar panel load directly?
Solar panels (also known as solar modules) are the core of solar power systems and the most important part of solar power systems.
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).
Q:What is the main material for making solar panels?
You can also according to their own needs, according to the power to buy a good package of solar photovoltaic products.
Q:Can cold light make solar panels power
Solar power generation There are two ways of solar power generation, one is the light - heat - electricity conversion, the other is the optical - electrical direct conversion.
Q:What is the principle of solar panels to convert solar energy into electricity?
Solar cells are a pair of light response and can convert light energy into electrical devices. There are many kinds of materials to produce photovoltaic effects, such as: monocrystalline silicon, polycrystalline silicon, amorphous silicon, gallium arsenide, selenium and other copper. Their power generation principle is basically the same, now the crystal as an example to describe the process of photovoltaic power generation.P-type crystalline silicon doped with phosphorus can be N-type silicon, the formation of P-N junction.
Q:What is the difference between solar panels and light panels?
Crystalline silicon cell conversion rate, rich in raw materials, is a large-scale commercial production of the battery, but the crystal silicon battery brings the harm can not be ignored. Crystal silicon series of batteries have a "three high more than a" common problem. High cost, high energy consumption, high pollution, byproducts and other shortcomings.
Q:Composition and function of solar panels
The demand for polysilicon is mainly from semiconductors and solar cells. According to the different requirements of purity, divided into electronic and solar level.
Q:Polycrystalline solar panels are good or single crystal solar energy is good
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% (
Q:The voltage and power problems of solar panels
In general, the charging voltage is 1.5 times the battery voltage as well, that is 12V battery pack, select the 18V solar panels just.
Q:What is the principle of solar panels work?
Solar power generation There are two ways of solar power generation, one is the light - heat - electricity conversion, the other is the optical - electrical direct conversion.

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