4BB-156 Poly-Crystalline

Zhejiang Guanglong Energy Technology Co., Ltd.
Cell Type: Polycrystalline
Power Range: 4.185~4.477 Wp
Region: China China
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From $0.200 / Wp
  • Maximum Power: 4.64 W
  • Cell Type: Monocrystalline
  • Dimensions: 156×156 mm
  • DIAGONAL: 210±1 mm
  • Cell Thickness: 200 µm
  • Pmax: 4.64 W
  • Vmpp: 0.533 V
  • Impp: 8.786 A
  • Voc: 0.644 V
  • Isc: 9.369 A
  • FF: 77.61 %
  • Efficiency: 19-19.2 %
  • No. of Busbars: 4
  • Busbar Material: Silver
  • No. of Soldering Pads: 4
  • Soldering Pad Material: Silver
  • AR Coating: Silicon nitride

Product Characteristics

Model No.
Poly 156 4.18585 Poly 156 4.234 Poly 156 4.283 Poly 156 4.307 Poly 156 4.331 Poly 156 4.356 Poly 156 4.380 Poly 156 4.404 Poly 156 4.429 Poly 156 4.453 Poly 156 4.477
Product Characteristics  
Cell Technology Polycrystalline
Dimensions 156×156 mm
Diagonal 220 mm
Front Surface (-)  
No. of Busbars 4
Back Surface (+)  
No. of Soldering Pads 4
Electrical Data at STC  
Maximum Power (Pmax)
4.185 W 4.234 W 4.283 W 4.307 W 4.331 W 4.356 W 4.38 W 4.404 W 4.429 W 4.453 W 4.477 W
Voltage at Maximum Power Point (Vmpp)
0.524 V 0.526 V 0.529 V 0.53 V 0.531 V 0.532 V 0.533 V 0.534 V 0.535 V 0.536 V 0.537 V
Current at Maximum Power Point (Impp)
8.041 A 8.103 A 8.162 A 8.199 A 8.218 A 8.239 A 8.264 A 8.287 A 8.305 A 8.323 A 8.342 A
Open Circuit Voltage (Voc)
0.624 V 0.627 V 0.629 V 0.63 V 0.631 V 0.631 V 0.632 V 0.633 V 0.633 V 0.634 V 0.635 V
Short Circuit Current (Isc)
8.55 A 8.609 A 8.663 A 8.696 A 8.714 A 8.741 A 8.763 A 8.785 A 8.797 A 8.818 A 8.838 A
Cell Efficiency
17.2 % 17.4 % 17.6 % 17.7 % 17.8 % 17.9 % 18 % 18.1 % 18.2 % 18.3 % 18.4 %
Fill Factor (FF)
78.98 % 78.96 % 79.24 % 79.32 % 79.36 % 79.47 % 79.53 % 79.58 % 79.79 % 79.8 % 79.82 %
Thermal Ratings  
Temperature Coefficient of Pmax -0.47 %/˚C
Temperature Coefficient of Voc -0.34 %/˚C
Temperature Coefficient of Isc 0.045 %/˚C
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Zhejiang Guanglong Energy Technology Co., Ltd.

No. 8 of Xinjian Road, Xieqiao Industry Park, Haining, Zhejiang
No. Staff: 500
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Jia Jie Yao