Characteristic . Maximum power at STC (P.max): 85Wp Optimum operating voltage (Vmp) : 16.8V Open-circuit voltage (Voc): 21.2V Optiumum operating current (Imp): 4.76A Short-circuit current (Isc): 5.12A Length: 1195mm Width: 541mm Depth: 30mm Weight: 8 Kg