255W CNBM Solar Monocrystalline Series (250W—270W)

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China main port
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Min Order Qty:
10000 watt
Supply Capability:
500000 watt/month

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Item specifice:

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

Product Description:

CNBM Solar Monocrystalline Series III (250W—260W)

Characteristics

Max Power Voltage Vmp(V)       

30.1

30.2

30.4

Max Power Current Imp(A)   

8.32

8.44

8.55

Open Circuit Voltage VocV

37.5

37.6

37.7

Short Circuit Current Isc(A) 

8.87

8.99

9.10

Max Power Pm(W)         

250

255

260

 

Temperature Coefficient of Cells

NOCT   

  45±2


Temperature Coefficients of Isc (%/)

- 0.0492


Temperature Coefficients of Voc (%/)

 – 0.3374


Temperature Coefficients of Pmp (%/)

  –0.4677



 

Mechanical Data

Dimension   

1638 x 982 x 40 mm


Weight  

 19.5kg


No. of Cells and Connections  

 60 (6 x   10)


Tolerance       

0+5W



Cell Monocrystalline Cell   

  156 x 156 mm


Packing

700   Pcs/40ft(H) Container


 

Limits

Operating Temperature 

  –40 °C to +85°C


Storage Temperature 

  –40 °C to +85°C


Max System Voltage  

  1000VDC(IEC) / 600VDC(UL)



 

IV Curve


255W CNBM Solar Monocrystalline Series (250W—270W)

255W CNBM Solar Monocrystalline Series (250W—270W)

255W CNBM Solar Monocrystalline Series (250W—270W)


Image

255W CNBM Solar Monocrystalline Series (250W—270W)

255W CNBM Solar Monocrystalline Series (250W—270W)

Guarantees

Products Guarantee 12 yrs free from defects in materials and workmanship

Performance Guarantee No less than 90% within 10yrs and no less than 80% within 25yrs

Certificates TUV (IEC61215&IEC61730), VDE(IEC61215&IEC61730), UL, CE

 

FAQ

1. Q: Do you have your own factory?

    A: Yes, we have. Our factory located in Jiangsu province.

2. Q: How can I visit your factory?
    A: Before you take off from your country, please let us know. We will show you the way, or arrange time to pick you up if possible.
3. Q: Do you provide free sample?
    A: Usually we do not offer free sample

4. Q: Could you print our company LOGO on the nameplate and package?

 A: Yes, we can do that.


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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: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
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 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?
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.
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: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: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 controller: the role of solar controller is to control the working state of the entire system, and the battery played a charge protection, over discharge protection role. In the larger temperature difference, the qualified controller should also have the function of temperature compensation. Other additional functions such as light control switch, time control switch should be the option of the controller;
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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