Maximum power (Wp) : 280wp Maximum power voltage (V) : 35v Maximum power current (A) : 8A Open circuit voltage (V) : 40.25v Short circuit current (A) : 8.7A Number of cells (Pcs) : 72 Size of module (mm) : 1960*1000*46mm( 156x156mm cell) Maximum system voltage (V):1000 Temperature coefficients of Isc (%): + 0.1/ Degree Temperature coefficients of Voc (%): -0.38/ Degree Temperature coefficients of Pm (%): -0.47/ Degree Temperature coefficients of Im (%): +0.1/ Degree Temperature coefficients of Vm (%): -0.38/ Degree Temperature Range: -40 Degree~+80 Degree Tolerance Wattage (e.g. +/-3%) : +/-5% Surface Maximum Load Capacity: 60m/s(200kg/sq.m) Weight per piece (kg) : 21kg Junction Box Type : TUV Connectors and Cables Type : TUV Length of Cables (mm): 900 Cell Efficiency (%): >16% Module Efficiency (%): >15.8% Output tolerance (%): +/-5% Frame (Material, Corners, etc.): Aluminum Standard Test Conditions: AM1.5 100mW/cm2 25'C FF (%): 72 Packing: 300PCS//40 FCL