... efficiency and High power *Long-term electrical stability *Best quality 156mm poly solar cell in stock,solar cell with good quality ... ,3BB PHYSICAL Dimension: 156mm x 156mm ± 0.5mmCHARACTERISTISCSWafer Thickness: 200 um ± 30 um 180 um ... .Gross weight peri unit carton shall be around 17.1Kg. 156mm poly solar cell in stock,solar cell with good quality ...