Solar Panel Life

The service life of a solar panel is determined by the material of the cell sheet, tempered glass, EVA, TPT, etc. Generally, the service life of a battery panel made by a better material manufacturer can reach 25 years. The material of the battery board will age over time. Under normal circumstances, the power will be reduced by 30% after 20 years, and the power will be reduced by 70% after 25 years.