166mm Mono Solar Cell Efficiency: 22.0%-22.9% Format: 166mm×166mm±0.25mm Thickness: 190±30μm Front(-): 0.7mm bus bars(silver),blue anti-reflecting coating(silicon nitride) Back(+): 1.5mm 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surface field(aluminum) Product Specification Description Get in Touch Description Get in Touch Your email address will not be published.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*