250W Solar Panel Certificated with High Effect

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Shanghai
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Min Order Qty:
1000 watt
Supply Capability:
100000000 watt/month

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Item specifice:

Material: Monocrystalline Silicon Max. Power(W): 250 Number of Cells(pieces): 64

Product Description:

250W Solar Panel Certificated with High Effect 


- TUV IEC, MCS (UK), CE, CEC (Australia), INMETRO, IDCOL, SONCAP CERTIFIED

- [EU ANTIDUMPING DUTY-FREE] 

- PROFESSIONAL SOLAR PANEL MANUFACTURER SINCE 2004 

 

FEATURES

`Long Service Life

`High Efficency Solar Cells

`Special Aluminum Frame Design

`High Transmission,Low Iron Tempered Glass - TUV IEC, MCS (UK), CE, CEC (Australia), INMETRO, IDCOL, SONCAP CERTIFIED

- [EU ANTIDUMPING DUTY-FREE] 

- PROFESSIONAL SOLAR PANEL MANUFACTURER SINCE 2004 

 

FEATURES

`Long Service Life

`High Efficency Solar Cells

`Special Aluminum Frame Design

`High Transmission,Low Iron Tempered Glass

`Advanced Cell Encapsulation

 

APPLICATIONS

`Solar power stations

`Rural electrification, Small home power systems

`Power supply for traffic, security, gas industry

`12V and 24V battery charging system

`Other industrial and commercial applications

 250W Solar Panel Certificated with High Effect

ELECTRICAL CHARACTERISTICS 
Model Number                           
KM(P)230KM(P)235KM(P)240KM(P)245KM(P)250
Maximum Power as per STC     Pmax(W)230235240245250
Power Tolerance                        %±3% 
Maximum Power Voltage            Vm(V)30.48 30.630.6630.9831.29
Maximum Power Current             Im(A)7.67.687.837.917.99
Open Circuit Voltage                  Voc(V)36.636.7236.8437.3837.5
Short Circuit Current                  Isc(A)8.178.238.328.428.5
Maximum System Voltage           VDC1000
Cell Efficiency                            %15.816.116.416.817.1
Module Efficiency                  %14.114.414.715.015.3
Cells per Module                         Pcs60
Cell Type                                     
Polycrystalline silicon
Cell Size                                       mm156 x 156 
Bypass Diodes                             Pcs12Amp, 6 pcs
Max. Series Fuse Rating              A15A
Temperature coefficient of Isc      %/°C0.05
Temperature coefficient of Voc    %/°C-0.35
Temperature coefficient of power %/°C-0.47
NOCT- Nominal operating cell temperature °C47 ± 2
Operating Temperature              °C-40 ~ +85
MECHANICAL CHARACTERISTICS 
Dimensions                      mm1650 x 990 x 50
Weight                                       Kg19.8
Type of Junction Box                 
TUV certified, IP65
Cable Type, Diameter             
TUV certified, 4mm2, 90 cm in length
Connector                                  
compatible to Type 4 (MC4)
Tempered Glass                    
3.2 mm, high transmission, low iron



250W Solar Panel Certificated with High EffectPacking 

250W Solar Panel Certificated with High Effect

FAQ

1. What kind of Solar Cells does it have

---poly crystalline 156*156mm and 125*125mm or mono 125*125mm and 156*156mm

 

2. Is the front panel Glass or Plastic

---Tempered glass 3.2mm thickness or adjust to what you need, Light transmittance up to 95%.

 

3. Does it meet Europe Standards for Solar Energy

---This is TUV approval products, all the producing procedure apply TUV&UL.

 

4. What is the Efficiency level

--- Between 16-18.9% for solar cells.

 

5. What is the Nominal Voltage

--- 18v 20v 24v 36v 30v 48v , and so on, we can adjust to what you need.

 

6. What is the Warranty Period, How many years?

Power efficiency warranty:

---90% in 10 years; 80% in 25 years.



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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:Single crystal solar panels and polycrystalline solar panels
monocrystalline silicon market share and a slight increase, and now the market to see the majority of single-crystal silicon cells. Monocrystalline silicon solar cell silicon crystal is very perfect, its optical, electrical and mechanical properties are very uniform, the color of the battery is mostly black or dark, especially for small pieces of small pieces of consumer products.
Q:What is the main material for making solar panels?
You can also according to their own needs, according to the power to buy a good package of solar photovoltaic products.
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:What is the principle and structure of solar panels?
inverter: solar direct output are generally 12VDC, 24VDC, 48VDC. In order to provide power to 220VAC appliances, it is necessary to convert the DC power from the solar power system into AC power, so it is necessary to use DC-AC inverter.
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: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:Composition and function of solar panels
In addition to the quality of EVA itself, the components of the manufacturers of laminated technology is also very large, such as EVA glue degree is not up to standard, EVA and tempered glass, backplane bonding strength is not enough, will cause EVA early aging, affecting components
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: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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