Characteristic . Maximum power at STC (P.max): 10Wp Optimum operating voltage (Vmp) : 17.4V Open-circuit voltage (Voc): 21.6V Optiumum operating current (Imp): 0.57A Short-circuit current (Isc): 0.65A Length: 310mm Width: 368mm Depth: 18mm Weight: 1.5 Kg