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Polycrystalline 5BB 157.00 mm

Polycrystalline 5BB 157.00 mm

Lux S.r.l.
Cell Type: Polycrystalline
Power Range: 4.52~4.64 Wp
Region: Italy Italy
Note: Your Enquiry will be sent directly to Lux S.r.l..


Through a series of chemical and thermal processes every single silicon wafer is converted into a photovoltaic cell. The cells are the soul of a module and ensure its ability to generate energy. The dimensions of a cell are the same as those of the wafer from which it originates, the typical blue color is due to antireflective process.

Product Characteristics

Model No.
1840 1850 1870 1880 1890
Product Characteristics  
Cell Technology Polycrystalline
Dimensions 156.75×156.75 mm
Diagonal 220.6±1 mm
Cell Thickness 180/200 ± 20 µm
Front Surface (-)  
Busbar Material Silver
Anti Reflection Coating Silicon nitride
Back Surface (+)  
Soldering Pad Material Silver
Back Surface Field (BSF) Aluminium
Electrical Data at STC  
Maximum Power (Pmax)
4.52 W 4.55 W 4.59 W 4.62 W 4.64 W
Voltage at Maximum Power Point (Vmpp)
0.534 V 0.538 V 0.542 V 0.545 V 0.547 V
Current at Maximum Power Point (Impp)
8.411 A 8.452 A 8.523 A 8.549 A 8.582 A
Open Circuit Voltage (Voc)
0.629 V 0.631 V 0.636 V 0.638 V 0.64 V
Short Circuit Current (Isc)
8.894 A 8.918 A 8.995 A 9.021 A 9.054 A
Cell Efficiency
18.40 % 18.50 % 18.70 % 18.80 % 18.90 %
Fill Factor (FF)
80.29 % 80.81 % 80.75 % 80.95 % 81.01 %
Thermal Ratings  
Temperature Coefficient of Pmax -0.39 %/˚C
Temperature Coefficient of Voc -0.32 %/˚C
Temperature Coefficient of Isc 0.05 %/˚C
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Lux S.r.l.

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Via Fernando Santi 27, 15121, Alessandria
Note: Your Enquiry will be sent directly to Lux S.r.l..

Useful Contacts

Contact Face
Simone Anania -
Company Description

Since 2009, Lux produces multi crystalline ingots for photovoltaic applications in its plant in Alessandria. Through different cutting operations, the ingots become wafers which are later transformed into multi crystalline cells. The latest become photovoltaic modules, once assembled and welded together.

Alongside to its production, Lux can provide an ingot growing service, processing the silicon supplied by potential partners or grow ingots for R&D purpose for cutting tools and machines manufacturers.

Product Videos
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Wafer Manufacturing Process

Raw Materials and Products

Solar Modules Production – Standard sizes and Customized

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