... & payment terms Certificate:TUV,UL,CE Mono Solar Panel /Solar Module Technical Parameter ITEMMonocrystalline Silicon Solar Panel /Solar Module Maximum power (Wp) 5w6w8w10w12w14w15w18w20wMaximum power voltage (V ... and 20 years 80% of power,25 years for lifetime Mini Solar Module(5Wp,6Wp,8Wp,10Wp,12Wp,14Wp,15Wp,18Wp,20Wp)