Diesel long dictated the roads, but electric heavy transport is taking charge. CATL unveiled its next-generation modular commercial vehicle battery platform, TECTRANS II, at IAA Transportation 2026 in Hanover. 

Rather than a basic cell update, the system is a adaptable modular architecture that integrates into existing vehicle lines. Truck manufacturers can achieve up to 1,000 kilometers (621 miles) of range on a single charge, backed by megawatt-level fast charging that replenishes 80% capacity in 25 minutes.

CATL rates the heavy-duty truck setup for a 12-year, 1.5-million-kilometer operating lifecycle while retaining 70 percent capacity.

“Commercial vehicle electrification is emerging as the third wave of the global energy transition,” said Akin Li, Executive President of CATL Overseas Business. “Across products, energy, services and ecosystem, CATL is poised to work with partners around the world to catch this third wave.”

Diesel engines offered endless range, rapid refueling, and standard parts that kept maintenance cheap. On the other hand, battery electric alternatives meant heavy, expensive packs that ate into cargo limits and spent hours anchored to slow chargers.

That might finally be solved, thanks to CATL. TECTRANS II aims to simplify heavy vehicle electrification across diverse fleet operations. Its flexible modular design accommodates up to 1,000 kilometers of range and adapts easily to both charging and battery swapping. Manufacturers can standardize their chassis designs while upgrading battery chemistry over time.

Notably, standardized components will help developers to cut vehicle design timelines in half and slash early development costs. As a result, commercial fleets lower upfront investments and maximize operational returns throughout the vehicle lifecycle.

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