156.75mm Poly Solar Cell Efficiency: 17.5%-19.0% Format: 156.75mm×156.75mm±0.25mm Thickness: 200μm±20μm Front(-): 0.7mm bus bars(silver),blue anti-reflecting coating(silicon nitride) Back(+): 2.0mm wide soldering pads(silver back surface field(aluminum) Product Specification Description Get in Touch Description Get in Touch Your email address will not be published. Required fields are marked * Name * Email * Message*