Poly Solar Panel, 250W, 255W High Efficiency

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Shanghai
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TT OR LC
Min Order Qty:
364 pc
Supply Capability:
30000 pc/month

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Item specifice:

Material: Polycrystalline Silicon Max. Power(W): 255 Number of Cells(pieces): 60

Product Description:

Poly Solar panel, solar module, 250W, 255W

Grid-connected photovoltaic power generation system is to photovoltaic systemsconnected to the public grid, achieve grid. Grid-connected PV systems can be divided into large and centralized and decentralized power generation systems and power generation systems small, two systems not require energy storage devices. Currently PV grid integration in the form of the building is a typical case of power generation.


Features:

1) Product name: solar panel / module

2) Solar cell: Mono-crystalline / Poly-crystalline / Amorphous

3) Tempered glass laminated with aluminum frame

4) Life time: 20 - 25 years

5) Temperature co-efficiency:  A=+1,46mA B=-79mV, Rp/p=-0.43

6) Power specification at 1kW/m 2, AM 1, 5

7) Output cable: multi contact connectors

8) Construction:

     a) Front: High-transmission 32mm tempered glass

     b) Back: TPT

     c) Encapsulant: EVA

9) Frame: aluminum

10) Certification: CE, TUV


Module230235240
EncapsulationGlass/EVA/Cells/EVA/TPT
Tolerance+3%
Size and Number of cells156mm×156mm 60(6×10pcs)
Maximum power230Wp235Wp240Wp
Open circuit voltage(Voc)36.00V36.00V36.00V
Short circuit current(Isc)8.59A8.77A8.96A
Maximum power voltage(Vmp)30.00V30.00V30.00V
Maximum power current(Imp)7.67A7.83A8.00A
Model size(mm)1650×991×40MM
Weight19.50Kg
Operating Temperature-40°Cto+85°C
Resistances227g Steel Ball Fall Down From 1M Height and 60M/S Wind
WarrantyPm is not less than 90% in 10 years and 80% in 25 years



ADVANTAGES:


There're 7 major inspection procedures for Each piece solar panel during production : 

3 times EL testing to ensure panel without micro-break/invisible break(normal manufacturer only test 1 or 2 times); 

3 times appearance inspection to ensure panel without defect (normal manufacturer only inspect 1 or 2 times); 

1 time power testing, power inspection tolerance +/-0.1watt(normal manufacturer's power inspection tolerance is +/- 1-2watt), we ensure each panel has enough power output; 

besides the standard inspection, each production procedure will inspect the upwards procedure;

So we guarantee each piece of our panel has perfect appearance, positive power performance, and without quality hidden trouble.


Manufacture pictures:

Poly Solar Panel, 250W, 255W High Efficiency


Poly Solar Panel, 250W, 255W High Efficiency


Poly Solar Panel, 250W, 255W High Efficiency





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Q:Solar panels single crystal and double crystal in the rain which is easy to use
At present, 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. 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: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
permanent, clean and flexible three major advantages of solar cells long life, as long as the sun exists, solar cells can be an investment and long-term use; compared with thermal power, Solar cells do not cause environmental pollution
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: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:Can solar panels be connected directly to motor?
Solar panels (also known as solar modules) are the core of solar power systems and the most important part of solar power systems.
Q:Polycrystalline solar panels are good or single crystal solar energy is good
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:The voltage and power problems of solar panels
Because the MPPT controller has a wider input voltage range, it can also convert multiple voltages into current charge and better protect the battery.
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:How many solar panels have ah?
But in reality, the need for solar panel power and solar charger to find a balance in the portability. It is generally believed that the minimum power of the solar charger can not be less than 0.75w, and the secondary power solar panel produces 140mA of current under standard light. In the general sunlight generated by the current at 100mA or so, if less than the secondary power charging current is too small,

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