high quality cell, Level A cell Dimensione:125*125mm Diagonal:150mm / 156mm Dimensione:156*156mm Diagonal:200mm 1. Main products: Solar module, Solar panel, Photovoltaic ... .0mm(round chamfers)Thickness: Wafer(Si):200μm±20μm Cell: 240μm±40μmFront: 1.5mm Silver bus bars; ... ,25oC.*All figures bear±3% of tolerance.*The measurement of cell is calibrated by Fraunhofer ISE. polycrystalline solar cell 156