Poly Solar Panel 20W A Grade with 12 Years Warranty

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100 watt
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Item specifice:

Material: Polycrystalline Silicon Max. Power(W): 20 Number of Cells(pieces): 36

Product Description:

Poly Solar Panel 20W A Grade with 12 Years Warranty 

Production description

Commercial concentrated solar power plants were first developed in the 1980s. The 392 MW Ivanpah installation is the largest concentrating solar power plant in the world, located in the Mojave Desert of California. The 579 MW Solar Star, nearRosamond, California, is the world's largest PV power station.

Photovoltaics were initially solely used as a source of electricity for small and medium-sized applications, from the calculator powered by a single solar cell to remote homes powered by an off-grid rooftop PV system. As the cost of solar electricity has fallen, the number of grid-connected solar PV systems has grown into the millions and utility-scale solar power stations with hundreds of megawatts are being built. Solar PV is rapidly becoming an inexpensive, low-carbon technology to harness renewable energy from the Sun.

Poly Solar Panel 20W A Grade with 12 Years Warranty





Product Feature

12 years quality warranty 25 years performance output.

Free for less than 5 pcs sample requirement

Free to replace or repair or refund if products fail to conform to the PI requirement.


28pcs into carton 2carton into pallets 28pallets into a 40ft container


After 25 days for manufacturered goods as soon as we received full payment. 

After 10 days for stock goods as soon as we received full payment.

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Q:The working principle of solar cells includes the three processes
The opposite of the electrical symbol of the photogenerated carriers in the solar cell pn junction built under the action of the electric field, the electron-hole pairs are separated, the electrons are concentrated on one side, the holes are concentrated on the other side, and the opposite sex charges are generated on both sides of the pn junction Of the accumulation, resulting in photogenerated electromotive force, that is, photovoltaic voltage.
Q:What's the relationship between solar energy materials and solar cells?
There are many kinds solar cell materials which are used in producing the solar cells, such as: single crystal silicon, polycrystalline silicon, amorphous silicon, gallium, indium, selenium, copper, etc.
Q:How do solar cells work to become the solar energy?
Solar cells are a material used in producing solar energy. There are also many kinds of solar cells based on it's material and usage.
Q:How many solar cells are there in a solar panel?
I need to know the power of the solar panel to answer the question.
Q:What is the solar cells market in China?
The Chinese market is booming, but the solar cells' market was developed 8 years ago. It was supported by the Chinese government before because the whole country has been aiming at saving energy and protecting the envionment.
Q:Is it complicated to make a solar cell work well?
For the professionals, it is not complicated at all.
Q:How much does a solar cell cost?
I never did the exact calculation, but it does cost much more than I thought.
Q:How's the feedback of using 260 watt photovoltaic solar panel? Anybody ever used that?
the 260 watt photovoltaic solar panel is widely used in the solar cell power supply plant, and my personal feedback is very positive.
Q:How can I calculate the cost of using solar cells if I put a fully-functional solar system in my house?
Oh gosh, that would a lot, are you really ready to see your bill?
Q:What is the most commonly used material for solar cells?
Because of the commercialization of solar cells. The variety of solar cells includes monocrystalline silicon solar battery, poly silicon solar cell, non crystalline silicon solar battery, there are also,cadmium, copper indium, etc.

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