Dimensions:      156.75mm x 156.75mm±0.25mm

                          With 220mm±0.25mm diameter

Thickness(Si):    200μm±20μm

Front(-):             0.7mm wide sliver busbars

                          Silicon nitride anti-reflection coating

Back(+):            1.7mm wide silver soldering pads

                          Aluminum local back-surface field

Features 

1. Outstanding Power Output per Cell: up to 4.97W

2. Efficiency: up to 20.20%

3. Black Silicon+PERC+SE Technology

4. Superior quality-Color Uniformity,Low Breakage Rate etc

5. Reference cell calibrated from Fraunhofer

6. ISO 9001,ISO 14001 and CQC etc certificated