LG Mono X® Plus has an enhanced performance warranty. The initial degradation of cells has -2, and the annual rate of degradation has fallen -0.55/yr. LG Mono X® Plus has reduced the initial degradation of solar cells by applying LG’s new LiLY (LID-improvement for Lifetime Yield) Technology, which controls the reaction of Boron and Oxygen, the main cause of LID (Light Induced Degradation). As well as the enhanced performance warranty, LG Mono X® Plus is covered by product warranty for 12 years. LG Mono X® Plus has been carefully designed, it weighs just 18.0kg(39.69 lb) and has better grips that allow for quick installation.