JST-M53640W Peak power (Pmax) : 40W Cell Efficiency : 14.36% Module Efficiency : 11.74% Maximum power voltage (Vmp) : 17.50V Maximum power current (Imp) : 2.29A Open circuit voltage (Voc) : 21.50V Short circuit current (Isc) : 2.58A Power Tolerance : 0 to +3% Maximum system voltage : DC 1000V (VDE) Normal Operating Cell Temperature : 45.3¡À2¡æ Series fuse rating (A) : 15A Number of bypass diode : 3 Cell type : 125mm x 62.5mm Number of cells : 36 cells in series Weight : 4.35kg Dimensions : 541¡Á630¡Á35 mm (21.32¡Á24.82¡Á1.38 inch) Max Load : 5400Pascals ( 112 lb/ft 2)