1.Monocrystalline silicon 2.high efficiency to 18.4% 3.CE,ISO9001, ... certified 4.Portable 5.Best quanlity,price and servic 125mm monocrystalline solar cell with high efficiency, grade A,17.0-17 ... solar cell Model NumberHT-185WName: 125 mono solar cellCell Type:monocrystalline solar cellDimension: 125*125±0.5 mm Wafer Thickness: 0 ... . GradeA Efficiency:17.0-17.2% 17.0-17.2% monocrystalline solar panel