Poly Crystalline Solar Cell

Wuxi Saijing Solar Co., Ltd.
Cell Type: Polycrystalline
Power Range: 4.23~4.58 Wp
Region: China China
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Alternative Product

From $0.220 / Wp
  • Maximum Power: 4.41 W
  • Cell Type: Monocrystalline
  • Dimensions: 156×156 mm
  • DIAGONAL: --
  • Cell Thickness: 200 µm
  • Pmax: 4.41 W
  • Vmpp: 0.526 V
  • Impp: 8.39 A
  • Voc: 0.628 V
  • Isc: 9.03 A
  • FF: 77.82 %
  • Efficiency: 18.4 %
  • No. of Busbars: 3
  • Busbar Material: Silver
  • No. of Soldering Pads: 3
  • Soldering Pad Material: Silver, Aluminium
  • AR Coating: Silicon nitride

Product Characteristics

Model No.
ECS-P1740 ECS-P1760 ECS-P1780 ECS-P1800 ECS-P1820 ECS-P1840 ECS-P1860 ECS-P1880
Product Characteristics  
Cell Technology Polycrystalline
Dimensions 156×156 mm
Diagonal 220 mm
Cell Thickness 200 ± 20 µm
Front Surface (-)  
No. of Busbars 4
Busbar Width 1 mm
Busbar Material Silver
Anti Reflection Coating Silicon nitride
Back Surface (+)  
No. of Soldering Pads 4
Soldering Pad Width 2.2 mm
Soldering Pad Material Silver
Back Surface Field (BSF) Aluminium
Electrical Data at STC  
Maximum Power (Pmax)
4.23 W 4.28 W 4.33 W 4.38 W 4.43 W 4.48 W 4.53 W 4.58 W
Voltage at Maximum Power Point (Vmpp)
0.516 V 0.519 V 0.523 V 0.527 V 0.531 V 0.534 V 0.538 V 0.541 V
Current at Maximum Power Point (Impp)
8.208 A 8.249 A 8.279 A 8.316 A 8.348 A 8.38 A 8.415 A 8.45 A
Open Circuit Voltage (Voc)
0.627 V 0.63 V 0.634 V 0.636 V 0.639 V 0.642 V 0.646 V 0.65 V
Short Circuit Current (Isc)
8.757 A 8.805 A 8.832 A 8.864 A 8.887 A 8.913 A 8.945 A 8.973 A
Cell Efficiency
17.4-17.3 % 17.6-17.5 % 17.8-17.7 % 18.0-17.9 % 18.20-18.10 % 18.40-18.30 % 18.60-18.50 % 18.80-18.70 %
Fill Factor (FF)
77.14 % 77.18 % 77.33 % 77.74 % 78.06 % 78.2 % 78.35 % 78.38 %
Thermal Ratings  
Temperature Coefficient of Pmax 0.37 %/˚C
Temperature Coefficient of Voc 0.3 %/˚C
Temperature Coefficient of Isc 0.05 %/˚C
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Wuxi Saijing Solar Co., Ltd.

Industrial Park C, Guanlin Town, Yixing, Jiangsu
No. Staff: 1000
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Useful Contacts

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Kathy Wang
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Vicky Sales Director
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Christina sales director

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