# CATL and Seres Sign Long-Term Strategic Cooperation Agreement, Expand Battery Capacity

CATL and Seres Group signed a long-term strategic cooperation agreement in Chongqing on October 10, covering expansion of battery production capacity, construction of a supercharging ecosystem, and joint overseas market development\. The AITO brand's cumulative deliveries have exceeded 1\.2 million units, all equipped with CATL batteries\.

By China EV Signal
Published: 2026-10-11T06:22:05.603Z
Updated: 2026-10-11T06:22:05.605Z
Canonical article: https://chinaevsignal.com/news/catl-seres-long-term-strategic-cooperation-agreement

## Key takeaways

- CATL and Seres Group signed a long-term strategic cooperation agreement in Chongqing on October 10\.
- Seres Super Factory's in-factory Phase II expansion has a planned annual capacity of 10–12GWh, bringing total Phase I and II annual capacity to over 20GWh once completed\.
- AITO has delivered over 1\.2 million vehicles since its founding, all equipped with CATL batteries, and will continue to use CATL batteries across its lineup long-term\.

## Agreement Signed in Chongqing

CATL and Seres Group signed a long-term strategic cooperation agreement in Chongqing on October 10\. The agreement covers three areas: expanding production capacity, building a supercharging and battery service ecosystem, and accelerating global market development\.

## Capacity Expansion at Seres Super Factory

The cooperation includes accelerating construction of Phase II of the in-factory facility at Seres Super Factory\. The planned annual capacity for Phase II is 10–12GWh, and once completed, total annual capacity for Phase I and Phase II will exceed 20GWh\.

## Supercharging and Battery Services

CATL and Seres will cooperate on a supercharging network and battery services to create a service system covering the full lifecycle\.

## Global Market Expansion

The two companies will jointly explore overseas markets in Europe, the Middle East, and Central Asia\. The partnership also aims to support Chongqing's goal of building a trillion-yuan high-end intelligent connected new energy vehicle industry cluster\.

## AITO Deliveries Surpass 1\.2 Million

Since its founding, the AITO brand has equipped all its models with CATL batteries, and cumulative deliveries have exceeded 1\.2 million units\. AITO will continue to equip its entire lineup with CATL batteries long-term\.

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- [CATL news](https://chinaevsignal.com/manufacturers/catl)
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## Original publisher

宁德时代. Published: 2026-10-10T15:14:48.000Z