125*125 Mono

Topsky Electronics Technology (HK) Co., Ltd.
Cell Type: Monocrystalline
Power Range: 4.253~4.444 Wp
Region: China China
Note: Your Enquiry will be sent directly to Topsky Electronics Technology (HK) Co., Ltd..

Alternative Product

From $0.270 / Wp
  • Maximum Power: 5.131 W
  • Cell Type: Monocrystalline
  • Dimensions: 156×156 mm
  • DIAGONAL: 210±0.5 mm
  • Cell Thickness: 200 µm
  • Pmax: 5.131 W
  • Vmpp: 0.553 V
  • Impp: 9.272 A
  • Voc: 0.666 V
  • Isc: 9.748 A
  • FF: 78.98 %
  • Efficiency: 21.0-21.1 %
  • No. of Busbars: 4
  • Busbar Material: Silver
  • No. of Soldering Pads: 4
  • Soldering Pad Material: Silver
  • AR Coating: Silicon nitride

Product Characteristics

Model No.
1780 1800 1820 1840 1860
Product Characteristics  
Cell Technology Monocrystalline
Dimensions 156×156 mm
Cell Thickness 200/180 ± 30 µm
Front Surface (-)  
No. of Busbars 3
Busbar Width 1.5 mm
Busbar Material Silver
Anti Reflection Coating Silicon nitride
Back Surface (+)  
No. of Soldering Pads 3
Soldering Pad Width 3 mm
Soldering Pad Material Silver, Aluminium
Back Surface Field (BSF) Aluminium
Electrical Data at STC  
Maximum Power (Pmax)
4.253 W 4.301 W 4.349 W 4.397 W 4.444 W
Voltage at Maximum Power Point (Vmpp)
0.532 V 0.533 V 0.534 V 0.535 V 0.536 V
Current at Maximum Power Point (Impp)
7.995 A 8.07 A 8.144 A 8.218 A 8.292 A
Open Circuit Voltage (Voc)
0.641 V 0.642 V 0.643 V 0.644 V 0.645 V
Short Circuit Current (Isc)
8.735 A 8.781 A 8.811 A 8.838 A 8.871 A
Cell Efficiency
17.8 % 18 % 18.2 % 18.4 % 18.6 %
Fill Factor (FF)
75.96 % 76.3 % 76.76 % 77.25 % 77.68 %

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.

  • 156*156 3BB
    4.186~4.478 Wp Polycrystalline
  • 2BB/3BB 156*156
    3.894~4.186 Wp Polycrystalline