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2013 high efficiency 4w monocrystalline solar cell with lowest price

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MOQ: 10000  
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Location: China
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Product detail:

 2013 high efficiency 4w monocrystalline solar cell with lowest price  

 

  

Kewell company is a high tech environmental friendly enterprice which was established in 1998 .

 

With the rapid development of solar industry ,kewell company have owned three subsidiary companies -one silicon mine in jiujiang city jiangxi province ,one hardware company and one solar panel factory in shenzhen.our soalr panel factory employed around 200 skilled workers ,10 senior R and D engineers, more than 10 overseas salesperson, 2 after-sales center and 3 production instructors , we would like to offer our customers comprehensive serivice and technical support from pre-sale and after -sale 

 

Under strict quality control system , our products include :

125mm mono solar and 156mm poly and mono solar cell 

3w to 300w monocrystalline and poly-crystalline silicon solar panel 

5w to 50kw home use or roof solar power system include off-grid system and on-grid system .

200w to 200kw wind turbine system 

Which are exported to more than 40 countries such as Europe, America,Africa,Asia ,and gain a higher reputation .we offer OEM,ODM,OBM service as per customer request and aim at making a greater contribution to the usage of solar energy globally  

 

If you are in this line , hope we can cooperate and help you expand your market and realize win-win .

 

1) i want to introduce you our monocrystalline solar cell 

     

Physical characteristics:

Dimension 156mm x 156mm ± 0.5mm

Thickness Wafer(Si): 200μm ± 20μm

Cell: 240μm ± 40μm

Front: Silver bus bars; Blue/others silicon nitride antireflection coating

Back: Silver/aluminum bus bars; Full-surface aluminum BSF

 

 

 

 

2) specification

 

 

Efficiency Code

1920

1900

1880

1860

1840

1820

1800

Efficiency Eff(%)

>19.10

18.90~19.10

18.70~18.90

18.50~18.70

18.30~18.50

18.10~18.30

17.90~18.10

Power Ppm(w)

>4.648

4.600-4.648

4.551-4.600

4.502-4.551

4.453-4.502

4.405-4.453

4.356-4.405

Max.Power current Ipm(A)

>8.391

8.391

8.379

8.351

8.338

8.324

8.310

Short Circuit Current Isc(A)

>9.205

9.205

9.133

9.074

9.001

8.940

8.878

Max Power Voltage Vpm(V)

>0.551

0.551

0.546

0.542

0.537

0.532

0.527

Open Circuit Voltage Voc(V)

>0.631

0.631

0.630

0.629

0.628

0.628

0.627

 

 

 

 

Data under standard testing conditions (STC): 1,000W/M, AM1.5, 25

 

* All figures bear ±3% of tolerance.

 

* The measurement of cell is calibrated by Fraunhofer ISE. 

 

 

Typical temperature cofficients :

 

Voltage   -2.12mV/K

 

Current   +2.5mV/K

 

Power    -0.43%/K

 

 

 

 

 

 

 

 
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