... terms Certificate:TUV,UL,CE Monocrystalline Silicon Solar Panel /Solar Module Technical Parameter ITEM Monocrystalline Silicon Solar Panel /Solar ModuleMaximum power (Wp) 22w 24w 26w ... mm) 566*416*25625*540*25763*540*35Brand Name of Solar Cells CEEG or JA SOLARMaximum system voltage (V) 1000Temperature ... and 20 years 80% of power,25 years lifetime Solar Panel(22W,24W,26W,34W,37W,40W,45W,50W)