How Do LiFePO4 and Li-ion Batteries Compare in Performance? LiFePO4 batteries excel in thermal stability, with a lifespan of 3,000–5,000 cycles, ideal for high-safety applications like solar storage. Li-ion batteries offer higher energy density (150–200… Which Lithium Battery is Best for Your Needs? 36V to 96V LiFePO4 & Li-ion Packs Explained