When solid-state and sodium-ion EV batteries will actually reach India

What this means if you are buying an EV now

Should you hold off on an electric car or scooter in India because a better battery is coming. The honest answer is no. Solid-state cells, which battery shows worldwide keep promising, are not close to mainstream production, and sodium-ion cells, which India is already building, are real today but mostly for two and three-wheelers, not family cars.

Why solid-state is further away than the hype

BYD, the world's largest EV maker, says it aims to begin producing sulfide-based all-solid-state batteries in limited batches only from 2027, and to reach full-scale mass production by 2030, Electrek reported on 1 June 2026, citing the company's own roadmap. SAIC Motor, which owns MG in India, is targeting mass production the same year, 2027, while Changan plans to move from prototypes at the end of 2026 to mass production in 2027. None of these are India launch dates. They are the earliest the technology leaves the lab anywhere.

Even today's lithium-ion cells are not fully made in India yet. Tata Motors passenger vehicles chief Shailesh Chandra said on 3 November 2026 that domestic cell manufacturing will start within a year, and that cathodes, anodes and active materials will be "heavily localised" only in two to three years, autocarpro.in reported. If the chemistry in showrooms today still needs two to three years to be built at home, a brand new chemistry is further out still. The Battery Show Europe, held at Messe Stuttgart and drawing over 17,000 attendees and 1,100 suppliers in its 2026 edition, lists solid-state progress as a running conference theme precisely because it is still progress, not product, according to the show's own site.

Sodium-ion is closer, but mostly for scooters so far

The nearer-term alternative is sodium-ion, and India has its own version. KPIT Technologies, the Pune based auto software firm, unveiled India's first sodium-ion battery technology on 12 December 2023 at EXCON in Bengaluru, giving Karnataka an early claim on this chemistry. KPIT's own press release lists an energy density of 100 to 170 Wh/kg and 80 percent capacity retention over 3,000 to 6,000 cycles.

In February 2025, KPIT signed a technology transfer deal with Trentar Energy to build a 3 GWh sodium-ion plant, with Trentar funding the factory and KPIT earning fees and royalties over eight years, ess-news.com reported. KPIT says the chemistry suits electric two, three and four wheelers, commercial vehicles, UPS backup and grid storage, not specifically a passenger car battery pack sized for 400 to 500 km of range.

The trade-off for a buyer today

If you need a vehicle now, buy on what is in the pack today: the range figure under Indian test conditions, the warranty years and kilometres, and whether the maker's service and charging network already covers your city. A sodium-ion scooter may arrive at a lower price once Trentar's plant is running, and a solid-state car may arrive after 2030, but neither helps you this year. Waiting on a promise from a battery show means riding or driving your old vehicle for years for a saving that is not yet priced, sized or sold.

Sources

• India's EV battery cells could be localised in 2 to 3 years: Shailesh Chandra
• BYD plans to bring all-solid-state batteries to EVs by 2027
• KPIT unveils breakthrough sodium-ion battery technology
• KPIT official press release on sodium-ion technology
• KPIT, Trentar partner on 3 GWh sodium-ion battery plant
• The Battery Show Europe