Poly 305W Solar Panel / Popular Product Made in China

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

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Item specifice:

Material: Polycrystalline Silicon Max. Power(W): 305 Number of Cells(pieces): 72

Product Description:

Poly 305W Solar Panel / Popular Product Made in China


Product Description

Produt name: 305W Poly Crystalline Solar Panel


Poly 305W Solar Panel / Popular Product
Specs

Electrical Characteristics
Maximum Power [Pmax]305W
Power Tolerance+/-3%
Maximum Power Voltage [Vmp]36.3V
Maximum Power Current [Imp]8.41A
Short-Circuit Current [Isc]8.78A
Open-Circuit Voltage [Voc]45.0V
Module Efficiency15.72%
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 Switzland.
4. Competitive prices
5. Great potentials in development with Clients.

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Q:Can cold light make solar panels power
The drawback of solar thermal power generation is that the efficiency is low and the cost is high, At least 5 to 10 times more expensive than ordinary thermal power plants.
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:Polycrystalline solar panels are good or single crystal solar energy is good
. Since monocrystalline silicon is typically coated with tempered glass and waterproof resin, it is rugged and durable for up to 15 years and up to 25 years.
Q:The voltage and power problems of solar panels
3, charge 12V battery when the power is really small, if it is a normal controller, then the equivalent of 18V voltage in the charge, probably 18 x (240 / 30.2) = 143w solar panels.
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.
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 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).
Q:Can solar panels be connected directly to motor?
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.

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