....................................................................................[Specifications]....................................................................................Cell: polycrystalline silicon solar cells 156mm*156mm------------------------------------------------------------------------------------No.of cells and connections: 72(6*12)------------------------------------------------------------------------------------Dimension of module: 1956mm*992mm*50mm ------------------------------------------------------------------------------------Weight: 23kg....................................................................................[Electrical Characteristics]....................................................................................Model: TSP280-4------------------------------------------------------------------------------------Open-circuit voltage(Voc): 43.8V------------------------------------------------------------------------------------Optimum operating voltage(Vmp): 35.2V------------------------------------------------------------------------------------Short-circuit current(Isc): 8.30A------------------------------------------------------------------------------------Optimum operating current(Imp): 7.95A------------------------------------------------------------------------------------Maximum power(Pmax): 280Wp ------------------------------------------------------------------------------------Operating temperature: -40°C to +85°C ------------------------------------------------------------------------------------Maximum system voltage: 1000V DC ------------------------------------------------------------------------------------Irradiance 1000W/,Module temperature 25°C,AM=1.5....................................................................................