156*156 3BB

Topsky Electronics Technology (HK) Co., Ltd.
Cell Type: Polycrystalline
Power Range: 4.186~4.478 Wp
Region: China China
Note: Your Enquiry will be sent directly to Topsky Electronics Technology (HK) Co., Ltd..

Alternative Product

From $0.190 / Wp
  • Maximum Power: 4.09 W
  • Cell Type: Polycrystalline
  • Dimensions: 156×156 mm
  • DIAGONAL: 220 mm
  • Cell Thickness: 200 µm
  • Pmax: 4.09 W
  • Vmpp: 0.515 V
  • Impp: 7.77 A
  • Voc: 0.618 V
  • Isc: 8.53 A
  • FF: 75.91 %
  • Efficiency: 16.8-16.99 %
  • No. of Busbars: 4
  • Busbar Material: Silver
  • No. of Soldering Pads: 4
  • Soldering Pad Material: Silver
  • AR Coating: Silicon nitride

Product Characteristics

Model No.
1720 1740 1760 1780 1800 1820 1840
Product Characteristics  
Cell Technology Polycrystalline
Dimensions 156×156 mm
Diagonal 220 mm
Cell Thickness 200 ± 30 µm
Front Surface (-)  
No. of Busbars 3
Busbar Width 1.5 mm
Back Surface (+)  
No. of Soldering Pads 3
Soldering Pad Width 3 mm
Soldering Pad Material Aluminium
Back Surface Field (BSF) Aluminium
Electrical Data at STC  
Maximum Power (Pmax)
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)
0.525 V 0.527 V 0.529 V 0.531 V 0.533 V 0.535 V 0.537 V
Current at Maximum Power Point (Impp)
7.973 A 8.035 A 8.097 A 8.16 A 8.22 A 8.28 A 8.34 A
Open Circuit Voltage (Voc)
0.631 V 0.632 V 0.634 V 0.636 V 0.638 V 0.64 V 0.642 V
Short Circuit Current (Isc)
8.446 A 8.485 A 8.523 A 8.573 A 8.62 A 8.66 A 8.7 A
Cell Efficiency
17.2 % 17.4 % 17.6 % 17.8 % 18 % 18.2 % 18.4 %
Fill Factor (FF)
78.54 % 78.96 % 79.27 % 79.47 % 79.67 % 79.93 % 80.18 %

Topsky Electronics Technology (HK) Co., Ltd.

No.86, QianJin Road, Area 21, Bao'an District, Shenzhen, Guangdong
No. Staff: 360
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Useful Contacts

Contact Face
Julie Zhu Sales manager

2 More Series From Topsky Electronics Technology (HK) Co., Ltd.

  • 125*125 Mono
    4.253~4.444 Wp Monocrystalline
  • 2BB/3BB 156*156
    3.894~4.186 Wp Polycrystalline