TUV,CE,IEC certificated product. Good quality, delivery in time, reasonable price and one stop service. Maximum Power(W): 180, 170, 160Optimum Power Voltage(Vmp): 26.35, 26.35, 26.35Optimum Operatige Current(Imp): 6.83, 6.45, 6.07Open Circuit Voltage(Voc): 32.4, 32.4, 32.4Short Circuit Current(Isc):7.31, 6.90, 6.49Solar Cell:156*156 PolyNumber of Cell(pcs): 6*9Brand Name of Solar Cells: ---- ...