Module Type BSM540M10-72HPH BSM545M10-72HPH BSM550M10-72HPH BSM555M10-72HPH BSM560M10-72HPH STC STC STC STC STC Maximum Power (Pmax/W) 540 545 550 555 560 Operating Voltage(Vmp/V) 41.96 42.06 42.16 42.24 42.33 Operating Current(Imp/A) 12.87 12.96 13.05 13.14 13.23 Open-Circuit Voltage(Voc/V) 49.60 49.70 49.80 49.90 50.00 Short-Circuit Current(Isc/A) 13.74 13.84 13.94 14.04 14.14 Module Efficiency（%） 20.90 21.10 21.30 21.49 21.68 STC: Irradiance 1000W/m2, Cell Temperature 25°C Air Mass AM1.5