CATL launches Tianxing II sodium-ion battery for CVs

Julian Buckley International Editor, Power Progress

29 January 2026

Contemporary Amperex Technology Limited, otherwise known as battery giant CATL, has unveiled what is being billed as the world’s first mass-production sodium-ion battery pack for commercial vehicles.

The Tianxing II battery was presented as a 45 kWh pack with an energy density of 175 Wh/kg. Owing to the sodium-ion chemistry…

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