Item no : BSK-120P Maximum Power(Wp): 120W Maximum Power Voltage(V): 17.4V Maximum Power Current(A): 6.89A Open Circuit Voltage(V): 21.75V Short Circuit Current(A): 7.63A Size of Module(mm): 1482mm X 676mm X 34mm Size of Glass(mm): 1476mm X 670mm X 3.2mm Size of solar cells(mm): 156mm X 156mm Number of cells(Pcs): 36pcs Maximum System Voltage(V): 1000V/600V Temperature Coefficients of Isc(%): 0.065 %/ Temperature Coefficients of Voc(%): 0.346%/ Temperature Coefficients of Pm(%): 0.488%/ Nominal operating cell temperature: 45.32 Temperature Range: 40- +90 Surface Maximum Load Capacity: 200kgs/m2 Allowable Hail Load: 25mm@80km/h Weight Per Piece (kg): 12.5kgs Frame(Material,Corners,etc): Aluminum Warranty : 5 years product warranty and 10 years 90% of power,25 years with 80% power. carton and pallet together.