Monocrystalline Solar Panels: Maximum Power: 190W Open Circuit Voltage: 44.8V Short circuit current: 5.46A Optimum operating voltage: 36V Optimum operating current: 5.28A Module Efficiency: 14.88% Cell Efficiency: 17.6% Cell Array: 6*12 Cell Array: 6*12 Panel Size:1580*808*35. Panel size: 1580*808*35mm Weight: 16KW/pcs Packing size: 1600*828*90mm(2pcs per carton).