Dimensions:       156.75mm*156.75mm±0.25mm

                           With 220mm±0.25mm diameter

Thickness(Si):     170μm±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 4.66W

2. Efficiency: up to 19.00%

3. PID Free 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