单/多晶硅太阳能电池组件 Mono/poly-crystalline Solar Model 18W 20W Specifications Cell Mono/poly-crystalline silicon solar cells 125mm 31.25mmNo. of cells and connections36 (2 18)Dimension of module656 306 28(mm)Weight 2.8 kgCharacteristicsModelHT-22W HT-20WHT-18WOpen circuit voltage (Voc)21.8 V 21.4 V21 VOptimum operating voltage (Vmp)17.6 V 16.8 V16.8 VShort circuit current (Isc) 1.375 A 1.3A1.18AOptimum operating current (Imp) 1.25 A 1.19 A1.07 AMaximum power at STC (Pm)22 Wp 20 Wp18 WpSTC : 1000W/㎡, 25℃, AM1.5Limits Operating temperature-40 to +85℃Maximum system voltage 715 V DCTemperature and Coefficients NOCT48℃ 2℃Current temperature coefficient﹪/K0.06 0.01Voltage temperature coefficientmV/K-(155 10)Power temperature coefficient﹪/K-(0.5 0.05)