According to the IDTechEx report, Sodium-ion batteries are emerging as a cost-effective and safe complement to lithium-ion technology. With advantages in abundant and affordable materials, reduced supply chain risks, and high-power characteristics, they present a viable alternative. Despite lower current energy densities, ongoing advancements are anticipated. The report compares costs, revealing potential advantages. Sodium-ion chemistry is viewed as a complementary technology, well-suited to coexist with, rather than replace, existing and future lithium-ion technologies across various applications.