In recent years, solar street lights have been widely promoted, and solar led street lights have been installed in many areas. However, some problems will be found in some places after two or three years of operation. The street lights will be completely extinguished or need to be replaced. Only the parts can be re-lit, so if this problem cannot be solved well, the advantages of solar street lights will be less obvious. So how can we prolong the service life of solar street lights? Today, the editor of Changyuan Lighting will introduce some tips on extending the service life of solar street lights.