Gold Member Since 2015
Flagsun Green Power Co., Ltd.

Solar Cell, PV Cell, Poly Solar Cell manufacturer / supplier in China, offering 156.75*156.75mm 4bb Poly Solar Cell 18.6, Poly Solar Module 5W for Home Solar Lighting System, Mono 150W Solar Panel for Charging 12V Battery and so on.

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Supplier Homepage Product Solar cell 156.75*156.75mm 4bb Poly Solar Cell 18.6

156.75*156.75mm 4bb Poly Solar Cell 18.6

Purchase Qty.:
(Pieces)
1,200-4,999 5,000-9,999 10,000-19,999 20,000-29,999 30,000+
FOB Unit Price: US $0.9 US $0.85 US $0.8 US $0.78 US $0.76
Purchase Qty. (Pieces) FOB Unit Price
1,200-4,999 US $0.9
5,000-9,999 US $0.85
10,000-19,999 US $0.8
20,000-29,999 US $0.78
30,000+ US $0.76
Get Latest Price
Port: Shanghai, China
Production Capacity: 300MW/Year
Payment Terms: L/C, T/T, D/P, Western Union, Paypal

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Basic Info
  • Model NO.: FSC-P156.75-001
  • Number of Cells: 1
  • Condition: New
  • Material: Polycrystalline Silicon
  • Type: Poly
  • Grade: a
  • Package: Foam/Carton
  • Transport Package: 1400PCS/Carton
  • Origin: China
  • Warranty: 25 Years
  • Application: Solar Panel
  • Certification: ISO, CE
  • Name: Solar Cell
  • Model: 4bb
  • Efficiency: 18.6%
  • Trademark: Flagsun
  • Specification: FSC-156.75-001
  • HS Code: 8541402000
Product Description
Poly crystalline solar cells 156x156mm with 4bb bus bars

Description:
1.Pid free
2.High conversion efficiency,average cell efficiency is 18.2%,highest efficiency is 18.8%
3.Excellent solder-ability through high quality
4.Long term efficiency stability and excellent reliability
5.Low breakage rate and low lid rate
6.Good color uniformity


Physical characteristics
Dimension156.75mm x 156.75 mm ±0.5mm
Wafer thickness200um ±30um
Front(-)Four 1.1mm wide bus bars(silver) with distance 39mm,
Acid texturized surface with blue silicon nitride ar coating.
Back(+)2.4mm wide silver/aluminum soldering pads, aluminum back surface field.

Data under standard testing conditions(stc):1000w/sq.M, am1.5, 25ºc

Typical electrical characteristics
EfficiencyW(Pmpp)V(Umpp)A(Impp)V(Uoc)A(Isc)
17.4-17.54.2340.5178.2310.6228.759
17.5-17.64.2590.5198.2430.6238.769
17.7-17.84.2830.5218.2560.6258.779
17.8-17.94.3070.5238.2680.6268.788
17.9-18.04.3320.5258.2810.6278.798
18.0-18.14.380.5298.3060.6298.808
18.1-18.24.4050.5318.3180.6328.818
18.2-18.34.4290.5338.3310.6338.837
18.3-18.44.4530.5358.3440.6348.847
18.4-18.54.4780.5378.3560.6368.856
18.5-18.64.5020.5398.3690.6378.866

Data under standard testing conditions(stc):1,000w/m2, am1.5, 25ºc, pmax:Positive power tolerance.

 Warranty: 
The quality of all cells is 100% safety guarantee because they are protectively warehoused.
Any quality problem (defective products) could be return, except that broken solar cell are required by customers.
All cells are tested before delivery as customers required.

Solar Cell Production Line

Cleaning & Texturing: Wafers are cleaned with industrial soaps and form square-based pyramids also called texture. The texturization helps to reduce the reflection of sunlight. 

Diffusion: Wafers that have been pre-droped with boron during the casting process are then given a negative(n-type) surface characteristic by diffusing them with a phosphorus source at high temperature, which in turn creats the negative/positive(n-p) junction.

Etching: Phosphorus diffuses not only into the desired wafer surface but also into the side and the opposite surface to form PN. This gives a shunt path between the cell front and rear. Removal of the path around the wafer edge/edge junction isolation is named etching.

PECVD: By PECVD equipment, the wafers are coated with anti-reflection coating(ARC). It's the blue silicion nitride film to reduce reflection and promote absorption of light.

Printing & Heating: it was adopted by printing paste with screen technology to print the electrodes of silicion solar, and form a good ohmic contact.
Testing & Sorting: It means classifying the cells according to their efficiency tested under the simulated sunlight.
 
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