Nominal Maximum Power (Pmax): 180W, Optimum Operating Voltage (Vmp): 10.19A, Optimum Operating Current (Imp): 22.64V, Short Circuit Current (Isc): 9.92A, Open Circuit Voltage (Voc): 22.64V, Module Efficiency: 18.00%, Cell Efficiency: 20.00%, Power Tolerance: 0 to +5W, Maximum System Voltage: DC 1000V, Operating Temperature: -40°C ~ +85°C , Maximum Series Fuse Rating: 15A, Number of Bypass Diode: 2en