Grade A, Monocrystalline Solar Cells, Size of 156*156mm(5") 3BB

1> Quick Detail:

• Place of Origin: China
• Brand Name: ZOCEN
• Model: ZC TDB-156*156
• Certificate: CE, CQC, IEC, TUV, CEC, MCS, CHUBB, ISO9001

2> Description:

1. Materials: Mono silicon
2. Format Dimension: 156 x 156mm (±0.5mm)
3. Diagonal:R200mm
4. Thickness wafer (Si): 200±20μm
5. Thickness cell: 200±40μm
6. Weight: 15g
7. High efficiency 18.4%-17.4%, stable performance conversion
8. Front(-): Blue silicon nitride anti-reflection coating 2.0mm silver busbars
9. Back(+): Full-surface aluminum back-surface field 3.0mm(silver/ aluminum) continuous soldering pads Efficiency range: 17.4-18.4%
10. Maximum power range: 4.15 to 4.47W
11. Grade type: A
12. Typical temperature coefficients: Voltage: -2.15%/K; Current: +4.4%/K; Power: -0.43%/K

3> Features:

1. High conversion efficiencies resulting in superior power output performance.
2. Suitable for keeping appearance of solar cell tidy and clean.
3. Advanced diffusion technology adapted to ensure conversion efficiency uniformity throughout cell.
4. Advanced PECVD film forming technology used to coat cells with dark blue silicon nitride anti-reflection coatings.
5. Uniform color appearance.
6. Advanced soft line and high precision silkscreen printing equipment to achieve high smoothness, make automatic welding and laser cutting easier.
7. Metal paste applied to making back surface field and electrode to ensure top conductivity, nice adhesion, superior weld-ability, nice appearance and reliable performance.
8. Efficiency, stability and durability of crystal silicon.
9. Low breakage rate.
10. Environmental protection.
11. OEM orders are welcome

4> Specifications:

• Mechanical dimensions

• Electrical Parameters of products

• Spectral Response                                                         IV-Curve of Cell

5> Production and Quality Control

1. Precision cell efficiency sorting procedures (by both minimum power and power current)
2. Strict criteria for color uniformity and appearance
3. Pre-degraded before measuring electrical performance
4. Reverse current and shunt resistance screening
5. Frequent reliability monitoring
6. Sorted into four defined color grades
7. Minimal button marks
8. No beading
9. Low warpage and bowing
10. ISO9001,ISO14001 Certificated

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