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Sun Mobility is set to launch what it describes as the world's first modular battery

ICICIdirect Research 09 Jul 2026 DISCLAIMER

News: According to media sources, Sun Mobility is set to launch what it describes as the world's first modular battery-swapping platform for electric trucks and buses, targeting the 55-tonne commercial vehicle segment. Developed with Tata Motors' Starbus 12m EV and backed by a $78 million (around ₹650 crore) investment through its joint venture with Indian Oil Corporation, the platform has received AIS-038 certification and supports both 330V and 660V architectures with modular 50 kWh and 100 kWh battery packs that can be swapped in under three minutes. The Battery-as-a-Service (BaaS) model separates battery ownership from the vehicle, reducing upfront acquisition costs by around 40%, while leveraging IndianOil's fuel station network to establish automated battery-swapping stations across key freight corridors.

View: The launch is a significant step for India's commercial EV ecosystem, as battery swapping can address two of the biggest barriers to electric truck adoption—high upfront costs and long charging times. By reducing vehicle downtime and improving fleet economics, the BaaS model could accelerate electrification in logistics, public transport, and heavy commercial vehicles. The partnership with Indian Oil provides a ready nationwide infrastructure advantage, while the OEM-agnostic platform increases scalability. If widely adopted, this initiative could boost EV penetration in the commercial vehicle segment and create new opportunities for battery technology providers, charging infrastructure players, and commercial vehicle manufacturers.

Impact: Positive

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