Solar street lights are streetlights powered by sunlight. Solar lights use solar panels. Solar panels use sunlight as an alternative source of the energy. The solar panels are installed on the pole or the lighting structure. The panels will charge the rechargeable batteries & these batteries will power up the streetlights atnight. Solar streetlights are well-designed to serve uninterruptedly with minimal intervention. These lights are powered by in-built batteries. Solar lights are considered cost-effective. These are well-suited for both commercial and residential applications. They look impressive and last long without much maintenance.