... Certificate:TUV,UL,CE Mono Solar Panel /Solar Module Technical Parameter ITEMMonocrystalline Silicon Solar Panel /Solar Module Maximum power (Wp) ... 4x9)Size of module (mm) 234x247x25318x247x25378x247x25362x298x25397x298x25525x298x25624x302x25Brand Name of Solar Cells CEEG or JA SOLARMaximum system voltage (V) ... years 80% of power,25 years for lifetime Mini Solar Module(5Wp,6Wp,8Wp,10Wp,12Wp,14Wp,15Wp, ...