18.6 4bb Poly Solar Cell for 270W Panel
|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 $0.88 US $0.86 US $0.84 US $0.82|
|Purchase Qty. (Pieces)||FOB Unit Price|
|Payment Terms:||L/C, T/T, D/P, Western Union, Paypal|
- Model NO.: FSC-P156-003
- Number of Cells: 1
- Condition: New
- Material: Polycrystalline Silicon
- Type: Poly
- Grade: a
- Color: Blue
- Trademark: Flagsun
- Specification: FSC-P156-003
- HS Code: 8541402000
- Warranty: 25 Years
- Application: Solar Panel
- Certification: ISO, CE
- Name: Solar Cell
- Model: 4bb
- Efficiency: 18.6%
- OEM: Available
- Transport Package: 1400PCS/Carton
- Origin: China
Flagsun's manufacturing covers the photovoltaic value chain from ingot casting and wafering through solar cell production and solar panel assembly.All the cell is with most strict quality standard in every production process .
1.High conversion efficiency resulting in superior power output performance.
2.Outstanding power output even in low light or high temperature conditions
3.Optimized design for ease of soldering and lamination
4.Long-term stability,reliability and performance
5.Output power tolerance of +/-3%
Key Specifications/Special Features:
Product: 4BB 156*156mm polycrystalline silicon solar cell
Model number: FSC-P156-20
Material: A grade polycrystalline silicon
Size: 156*156mm (6*6 inches)
Color: dark blue
Weight: 11.2 ±0.5g
Front: 1.1mm bus bars (silver), dark blue silicon nitride AR coating
Back: 2.2mm wide soldering pads (silver), back surface field (aluminium)
Thickness: 200μm ±20μm
Quality inspection: check one by one before shipment
Packing: 100 pieces per box, 14 boxs per carton
|Max power (P-max )||4.53||4.48||4.43||4.38||4.33||4.28||4.23||4.19||4.14||4.09||4.04||3.99||3.94||3.89|
|Max power current (i-Max)||8.415||8.38||8.25||8.201||8.176||8.153||8.113||8.069||8.02||7.972||7.922||7.870||7.817||7.764|
|Short circuit current(Isc)||8.945||8.913||8.731||8.681||8.656||8.631||8.594||8.554||8.505||8.455||8.405||8.326||8.271||8.215|
|Max. power voltage (V max)||0.538||0.534||0.537||0.534||0.53||0.525||0.522||0.519||0.516||0.513||0.510||0.507||0.504||0.501|
|Open circuit voltage (Voc)||0.646||0.642||0.637||0.634||0.629||0.624||0.62||0.618||0.615||0.612||0.572||0.542||0.492||0.452|
Dimensions per Unit:16.3 × 17 × 3.5 Centimeters
Weight per Unit:1.4 Kilograms
Units per Export Carton:1400
Export Carton Dimensions L/W/H:50 × 22.5 × 25 Centimeters
Export Carton Weight:16.5 Kilograms
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.