MECHANICAL SPECIFICATION Format 2285mm x 1134mm x 35mm Weight 31.6kg±3% Cell 144(6 x 24) monocrystalline cells Junction Box IP68, 3 diodes Cable 4mm2, 12 AWG ELECTRICAL CHARACTERISTICS minimum performance at standard test conditions,stc1 (power tolerance -0~+5w) Model 530W 535W 540W 545W 550W Open Circuit Voltage (VOC) 49.30V 49.45V 49.60V 49.75V 49.90V Short Circuit Current (Isc) 13.72A 13.79A 13.86A 13.93A 14.00A Max. Power Voltage (Vmp) 41.31V 41.47V 41.64V 41.80V 41.96V Max. Power Current (Imp) 12.83A 12.90A 12.94A 13.04A 13.11A Efficiency² (η) 20.5% 20.6% 20.8% 21.0% 21.2%