... 16%-17% High Efficiency Poly Solar Cells 156x156 with tab wire Electrical Property 1, Solar Cells Structure2, Mechanical Date and Design Format156x156mm ±0.5mmDiameter220 ... , bus wire), flux pens, silicon, junction boxes, solar cable, MC connector, solar eva film, solar tpt backsheet, solar alloy frame, solar tempered glass, solar inverter, solar controller etc..