Sodium-ion batteries are approaching cell-level cost parity with LFP technology, with supply agreements exceeding 70 GWh worldwide. Despite higher upfront costs, they could offer a 21% lower total cost of ownership over 20 years, according to Wood Mackenzie. Image: Sineng Sodium-ion battery technology is entering commercial production and emerging as an alternative to lithium-ion batteries, driven by supply chain diversification, strong low-temperature performance, and lower total cost of ownership.