In today's fixed energy storage applications, three battery technologies are the most widely used and discussed: lead-acid batteries, ternary lithium batteries (NMC / NCA), and lithium iron phosphate batteries (LiFePO₄ / LFP). . Energy Storage Batteries are essential for balancing renewable energy, reducing electricity costs, and ensuring reliable power supply. As the world shifts towards cleaner, renewable energy solutions, Battery Energy Storage Systems (BESS) are becoming an integral part of the. . While lithium-ion batteries offer high energy density and efficiency, they also pose fire risks due to thermal runaway. Alternative chemistries and advanced cooling solutions, such as immersion cooling, can enhance safety and reliability for large-scale energy storage applications. From residential solar systems to commercial and industrial backup power and utility-scale storage, batteries play. . Advances in solid-state, sodium-ion, and flow batteries promise higher energy densities, faster charging, and longer lifespans, enabling electric vehicles to travel farther, microgrids to operate efficiently, and renewable energy to integrate seamlessly into the grid. Next-gen batteries are no. .