4BB Poly Cells

Tongwei Solar Co., Ltd.
Price:
From $0.210 / Wp
Cell Type: Polycrystalline
Power Range: 4.4~4.59 Wp
Region: China China
Note: Your Enquiry will be sent directly to Tongwei Solar Co., Ltd..

Description:

1. High efficiency 18.7%
2. 100% checked for reverse current and visual appearance
3. Good PID/LID resistance
4. Outstanding electrical stability
5. Great solder-ability

Product Characteristics

Model No.
4.40 4.42 4.45 4.47 4.50 4.52 4.55 4.57 4.59
Product Characteristics  
Cell Technology Polycrystalline
Dimensions 156.75×156.75 mm
Cell Thickness 210 ± 30 µm
Front Surface (-)  
No. of Busbars 4
Busbar Width 1.1 mm
Busbar Material Silver
Anti Reflection Coating Silicon nitride
Back Surface (+)  
No. of Soldering Pads 4
Soldering Pad Width 2.1 mm
Soldering Pad Material Silver
Back Surface Field (BSF) Aluminium
Electrical Data at STC  
Maximum Power (Pmax)
4.4 W 4.42 W 4.45 W 4.47 W 4.5 W 4.52 W 4.55 W 4.57 W 4.59 W
Voltage at Maximum Power Point (Vmpp)
0.532 V 0.534 V 0.535 V 0.537 V 0.539 V 0.54 V 0.541 V 0.542 V 0.543 V
Current at Maximum Power Point (Impp)
8.265 A 8.284 A 8.309 A 8.327 A 8.349 A 8.376 A 8.401 A 8.431 A 8.461 A
Open Circuit Voltage (Voc)
0.628 V 0.63 V 0.631 V 0.633 V 0.634 V 0.635 V 0.637 V 0.638 V 0.639 V
Short Circuit Current (Isc)
8.754 A 8.77 A 8.795 A 8.814 A 8.836 A 8.864 A 8.891 A 8.924 A 8.957 A
Cell Efficiency
17.9 % 18 % 18.1 % 18.2 % 18.3 % 18.4 % 18.5 % 18.6 % 18.7 %
Fill Factor (FF)
79.98 % 80.06 % 80.1 % 80.15 % 80.33 % 80.36 % 80.25 % 80.26 % 80.27 %
Thermal Ratings  
Temperature Coefficient of Pmax -0.36 %/˚C
Temperature Coefficient of Voc -0.36 %/˚C
Temperature Coefficient of Isc 0.06 %/˚C
Intensity Dependence
Intensity
Voc
Vmpp
1000 W/m2
1
--
900 W/m2
0.99
--
800 W/m2
0.99
--
600 W/m2
0.98
--
400 W/m2
0.96
--
Download Manufacturer's PDF



Tongwei Solar Co., Ltd.

No. 888 Changning Ave., High-Tech Zone, Hefei, Anhui
No. Staff: 3,500
Parent Company: Tongwei Group
Send message to this supplier

Useful Contacts

Contact Face
Mr.Fang International Marketing Manager

5 More Series From Tongwei Solar Co., Ltd.

  • $0.240 / Wp
    4BB Mono Cells
    4.67~4.94 Wp Monocrystalline
  • $0.240 / Wp
    5BB Mono Cells
    4.79~5.01 Wp Monocrystalline
  • $0.210 / Wp
    5BB Poly Cells DWS
    4.45~4.67 Wp Polycrystalline
  • $0.240 / Wp
    5BB Mono Cells Perc
    4.89~5.2 Wp Monocrystalline
  • $0.210 / Wp
    5BB Poly Cells
    4.45~4.67 Wp Polycrystalline