Poly Solar Panel 250W with Efficiency of above 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): 250 Number of Cells(pieces): 60

Product Description:

Product Description

Poly Solar Panel 250W with Efficiency of above 17.6% 
Specifications:

Type of cellPoly Solar Panel
Max. power (Wp)230-260W
Max. power voltage (V)30V
Max. power current (A)8.33A
Open circuit voltage (V)38V
Short circuit current (A)8.89A
Number of cells (Pcs)60
Size of module (mm)1640*992*40mm
Max. 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 Max. Load Capacity60m/s(200kg/sq.m)  
Weight per piece (kg)19kgs
Junction Box Type 4m, length 1000MM,TUV
Connectors and Cables TypeType MC4
Output Cables (mm)φ=4mm², L=900mm
Cell Efficiency (%)≥17.6%
Output tolerance (%)+/-3%
Frame (Material, Corners, etc.)Aluminum
Front Glass 3.2mm high transmission, Low Iron, Tempered Glass
Warranty 10Years products warranty and 25 years 80% of power
Standard Test Conditions AM1.5  1000mW/cm2  25°C 
FF (%) 72%
Operating temperature ºC-40 ºC ~+85 ºC
OEMAvailable

 
Advantages

1.Long Service Life
2.High Efficiency Solar Cells ≥18%
3.Special Aluminum Frame Design
4.High Transmission, Low Iron Tempered Glass
5.Advanced Cell Encapsulation

Solar Panel 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?
Power supply must be a number of individual battery strings, connected in parallel and tightly packaged into components.
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 working principle of solar panels?
No matter what kind of material to make the battery, the general requirements for solar cell materials are
Q:What is the main material for making solar panels?
If you make your own, in addition to buying silicon also need to buy for the packaging of silicon photovoltaic glass and EVA film.
Q:Can cold light make solar panels power
light - heat - dynamic - electric conversion method through the use of solar radiation generated by thermal power, usually by the solar collector will absorb the heat energy into the refrigerant, and then drive the turbine power generation. The latter process is the light-heat transfer process; the latter process is the heat-to-conversion process, which is the same as the conventional thermal power generation.
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: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: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 of solar panels work?
optical - electrical direct conversion method is the use of photoelectric effect, the solar radiation can be directly converted into electrical energy, optical - electrical conversion of the basic device is the solar cell. The solar cell is a device that converts solar energy directly into electrical energy due to the photovoltaic effect. It is a semiconductor photodiode. When the sun shines on the photodiode, the photodiode turns the solar energy into electricity. Current. When many batteries in series or in parallel can become a relatively large output power of the solar cell array
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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