Size: 1650*992*35mm Cell: monocrystalline 156.75*156.75mm No. of Cell: 60 (6*10) Weight: 18.6kg Efficiency: 20.16% Product Warranty: 10year Output Quality: above 80% for 20 year Operation Tempreture: -40 to 85 Resisting Pressure Load: Wind 2400Pa, Snow 5400Pa Max Power: 315W Power Tolerance: �3% Voc: 40.5V Vmp: 33.3V Isc: 10A Imp: 9.46A