Lead-acid batteries have been a popular choice for energy storage for over a century, and their reliability and affordability make them an ideal solution for renewable energy storage. However, they also have some limitations that need to be considered, such as their low energy density and maintenance requirements. Recent advances in lead-acid battery technology, such as VRLA and advanced lead-carbon batteries, have improved their performance and made them more efficient and reliable than ever before. Overall, lead-acid batteries continue to play a crucial role in renewable energy storage, especially in off-grid and remote locations. As the world continues to transition towards renewable energy, it is essential to consider a range of energy storage solutions, including lead-acid batteries, to ensure a stable and reliable supply of energy.