Transitioning to solar energy is more crucial than ever, but what happens when solar batteries reach the end of their lifespan? This article dives into the components of Battery Energy Storage Systems, explores the types of solar batteries, and most importantly, discusses the challenges and future perspectives of recycling them. While current recycling rates may be less than ideal, technological advancements and new initiatives are paving the way for a sustainable energy future. After all, a truly ‘green’ energy solution is one that considers its entire lifecycle.