156*156 Poly 4BB Cells

Topsky Energy (HK) Limited
Price:
From $0.180 / Wp
Cell Type: Polycrystalline
Power Range: 4.137~4.478 Wp
Region: China China
Note: Your Enquiry will be sent directly to Topsky Energy (HK) Limited.

Description:

1. Minimum power loss rate and low breakage rate;
2. Good appearance with consistent color uniformity;
3. Outstanding electrical stability;
4. Great solder-ability;
5. Full sort and inspection of solar cells' appearance and electrical performance;
6. Competitive price from 0.178~0.228$/Wp, fast delivery

Product Characteristics

Model No.
156-Poly-4BB 4.14w 156-Poly-4BB 4.19w 156-Poly-4BB 4.23w 156-Poly-4BB 4.28w 156-Poly-4BB 4.33w 156-Poly-4BB 4.38w 156-Poly-4BB 4.43w 156-Poly-4BB 4.48w
Product Characteristics  
Cell Technology Polycrystalline
Dimensions 156×156 mm
Diagonal 220 mm
Cell Thickness 200 ± 30 µm
Front Surface (-)  
No. of Busbars 4
Busbar Width 1.1 mm
Busbar Material Silver
Anti Reflection Coating Silicon nitride
Back Surface (+)  
No. of Soldering Pads 3
Soldering Pad Width 2.2 mm
Soldering Pad Material Silver
Back Surface Field (BSF) Aluminium
Electrical Data at STC  
Maximum Power (Pmax)
4.137 W 4.186 W 4.234 W 4.283 W 4.332 W 4.38 W 4.429 W 4.478 W
Voltage at Maximum Power Point (Vmpp)
0.518 V 0.521 V 0.524 V 0.527 V 0.53 V 0.532 V 0.535 V 0.538 V
Current at Maximum Power Point (Impp)
8.039 A 8.082 A 8.126 A 8.169 A 8.213 A 8.256 A 8.301 A 8.343 A
Open Circuit Voltage (Voc)
0.617 V 0.619 V 0.622 V 0.624 V 0.627 V 0.63 V 0.632 V 0.635 V
Short Circuit Current (Isc)
8.511 A 8.557 A 8.604 A 8.651 A 8.698 A 8.745 A 8.794 A 8.839 A
Cell Efficiency
17.0 % 17.2 % 17.4 % 17.6 % 17.8 % 18.0 % 18.2 % 18.4 %
Fill Factor (FF)
79.3 % 79.5 % 79.56 % 79.75 % 79.82 % 79.72 % 79.91 % 79.97 %
Thermal Ratings  
Temperature Coefficient of Pmax -0.397 %/˚C
Temperature Coefficient of Voc -0.326 %/˚C
Temperature Coefficient of Isc 0.0527 %/˚C
Intensity Dependence
Intensity
Voc
Vmpp
1000 W/m2
1.000
1.000
500 W/m2
0.975
0.497
Download Manufacturer's PDF


Performance and Quality


1. 100% PID resistance.

2. Proper handling from incoming inspection through production.outgoing inspection and packaging. 

3. 100% checked for reverse current and visual appearance.

4. Calibrated against Fraunhofer ISE.


Solar Cell Packing



Certificates





Topsky Energy (HK) Limited

#26 Lane 2, Liuxian 1st Road, Xin'an, Bao'an District, Shenzhen, Guangdong
No. Staff: 150
Parent Company: 深圳拓普能源有限公司
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