Polycrystalline 300W Solar Panel with High Efficiency

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Shanghai
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Min Order Qty:
100 watt
Supply Capability:
10000 watt/month

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Item specifice:

Material: Polycrystalline Silicon Max. Power(W): 300 Number of Cells(pieces): 72

Product Description:

Product Description

Produt name: 300W Poly Crystalline Solar Panel


Polycrystalline 300W Solar Panel
 
Specs

Electrical Characteristics
Maximum Power [Pmax]300W
Power Tolerance+/-3%
Maximum Power Voltage [Vmp]36.1V
Maximum Power Current [Imp]8.32A
Short-Circuit Current [Isc]8.73A
Open-Circuit Voltage [Voc]44.8V
Module Efficiency15.46%
Max. System Voltage1000VDC
Cell Size and SeriesPoly 156*156  72pcs (6*12)
Temperature Coefficient of Pmax- 0.47% / º C
Temperature Coefficient of Voc- 0.33% / º C
Temperature Coefficient of Isc0.05% / º C
Mechanical Characteristics
Dimension (mm)1956*992*45
FrameAnodized Aluminium Alloy
Glass3.2mm,High Transmission,Tempered Glass
Junction box & CableIP65 Rated weatherproof connectors
Cable: TUV 1x4.0mm2 / UL12AWG,Length:900mm
Weight22.0Kgs



Industry-leading Warranty:
Warranty on material and workmanship: 10 years
Guaranteed output of 90% after 12 years and 80% after 25 years.

Why Us?

1. We will always be there for any complaints!

    We has >20 years existence period and has other business. 
2. Wide Product Range
    Solar Panels 5W - 315W Customized & Standard
3. Imported Quality Silicon
    From Malaysia, Taiwan and Switzerland.
4. Competitive prices

5. Great potentials in development with Clients.

Polycrystalline 300W Solar Panel with High Efficiency

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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 material is easy to industrial production and material performance and stability.
Q:What is the main material for making solar panels?
The correct name of solar panels is solar photovoltaic panels, making its main material is monocrystalline silicon or polysilicon silicon, monocrystalline silicon silicon chip more crystalline silicon wafer photoelectric conversion rate is high, the price is also more expensive silicon wafer.
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?
When the light is irradiated on the surface of the solar cell, a part of the photon is absorbed by the silicon material; the energy of the photon is transferred to the silicon atom, so that the electrons are moved and the free electrons are formed on both sides of the P-N junction to form a potential difference. When the circuit is used, the current will flow through the external circuit to produce a certain output power. The essence of this process is the process of converting the energy of the photon into electrical energy.
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
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
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 panels: solar panels is the core of solar power generation system, solar power system is the highest value of the part. Its role is to convert the sun's radiation capacity into electricity, or sent to the battery to store, or to promote the load work.
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.

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