230W Solar Module Polycrystalline -Competitive Quality, Price TUV,CE,MCS,UL,CEC, ... *2inches)Weight:19.5KG(43.0lbs)Front Glass: High Transparency Solar Glass 3.2mm(0.13inches)Frame:Anodized Aluminium alloy(Siliver ... 90% of power output25 years 80% of Power output 230W Poly Solar Panel with high efficiency