U Power Limited completed a comprehensive operational test of its battery‑swapping system on heavy‑truck prototypes after a three‑month program that concluded in early March 2026. The tests confirmed that all key systems met design specifications and satisfied Whale Logistics’ requirements for electrified highway logistics.
The partnership, formalized in December 2025, will see U Power deliver the first batch of heavy‑truck tractors by May 2026. The Thai project will deploy 1,000 battery‑swapping heavy‑duty trucks, the largest single‑country deployment of the UOTTA™ platform to date.
The rollout underscores U Power’s strategy to capture Southeast Asia’s growing green‑logistics market. Thailand’s “Green Logistics” policy and national EV targets create a favorable environment for battery‑swapping solutions, and the partnership with Whale Logistics—Thailand’s largest logistics provider—provides a ready customer base and operational expertise.
The successful testing validates the UOTTA™ technology’s rapid battery‑replacement capability, which can be completed in under five minutes, reducing downtime for commercial fleets. The achievement demonstrates the platform’s scalability for high‑utilization fleets and positions U Power to compete with other battery‑swapping players such as Nio, CATL, and Ample.
Management highlighted the milestone as a key step toward expanding U Power’s global footprint. CEO Johnny Lee said the tests confirm the reliability and efficiency of the UOTTA battery‑swapping model and that the partnership will enable the company to meet high‑frequency logistics demand in Thailand, boosting operational efficiency for Whale Logistics.
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