HEFEI, China (AP) — Chinese electric vehicle maker NIO signed a five-year strategic cooperation agreement with battery giant CATL in early January 2026, aiming to co-develop long-life batteries and expand battery swap networks, according to company announcements. The deal, signed in Hefei and witnessed by CATL CEO Robin Zeng and NIO CEO William Li, focuses on sharing resources and promoting standards for battery-as-a-service models, CnEVPost reported.
The partnership builds on prior collaborations and addresses growing concerns over battery longevity in the EV sector. NIO, which hit a milestone of 1 million vehicles produced in Hefei, is also ramping up vehicle-to-grid trials and pushing into new global markets amid stock volatility.
Deepening Ties in Battery Innovation
NIO and CATL renewed their alliance to tackle battery expiration issues, with joint research on long-life technologies for swap scenarios. CATL plans to deploy over 3,000 swap stations by the end of 2026, up from its current 1,325, according to ChargedEVs.com. The companies will standardize swap tech and share network resources, extending a 2025 deal that included CATL's investment of up to 2.5 billion yuan in NIO Energy, Electric-Vehicles.com reported.
NIO has shifted more battery supply to CATL, making it the primary provider for 100 kWh packs previously sourced from CALB, per 36Kr cited in Electric-Vehicles.com. The automaker halted orders from BYD FinDreams for its Onvo L60 model due to low demand, the same source said. CATL has served as NIO's sole initial supplier since the 2018 ES8 launch, CnEVPost noted.
Key elements of the agreement include:
- Co-development of batteries lasting beyond the typical eight to 10 years, addressing what NIO CEO William Li called a looming "big issue," via SCMP.
- Promotion of battery swap standards and business models like BaaS for broader ecosystem adoption.
- Early rollout of new technologies through multi-route R&D, as detailed by Gasgoo.
"This strategic partnership marks a new phase of comprehensive ecosystem synergy between Nio and CATL," the battery maker stated in its announcement, per CnEVPost.
Advancing V2G Trials and Global Expansion
NIO is expanding large-scale vehicle-to-grid (V2G) trials, integrating its vehicles and swap stations with power grids to test energy interactions, Simply Wall St reported via Yahoo Finance. This move aims to boost energy services revenue as NIO builds out its network of about 3,700 stations outside Europe, with a target of 10,000 by 2030, according to Nasdaq.com.
On the international front, NIO launched sales in Hungary and delivered vehicles to Luxembourg, with plans to enter Central Asian markets, Simply Wall St said. The company will jointly promote brands domestically and abroad under the new CATL deal. These efforts come as NIO diversifies from a slumping Chinese market, where EV price wars have intensified, Yahoo Finance noted.
Global sales rose 47% in 2025 to 326,028 units, Just-Auto.com reported, with NIO targeting 40-50% annualized growth over the next decade.
Navigating Stock Volatility and Market Pressures
NIO's stock closed at $4.70 on the NYSE on Jan. 30, 2026, down 1.47% that day, Yahoo Finance data showed. The shares have declined 14.55% year-to-date but gained 11.37% over one year, while dropping 91.75% over five years. Simply Wall St assigned a value score of 2, noting the stock trades 29% below an analyst consensus target of $6.65.
The partnership counters pressures from China's EV price wars and rising battery replacement costs, Nasdaq.com and SCMP reported. It evolves from earlier pacts, including a 2023 supply coordination and 2024 R&D on long-life batteries, positioning NIO for leadership in new energy vehicle ecosystems. Investor attention centers on turning pilots into revenue, Simply Wall St added.
"Through a structured and long-term cooperation framework, the two companies will jointly address industry changes and provide users with a safer, more efficient and more sustainable electric mobility experience," CATL said, via ChargedEVs.com.
Prospects for EV Ecosystem Leadership
NIO's heavy bet on CATL appears strategic but carries risks—locking in the world's top battery maker secures supply amid shortages, yet over-reliance could backfire if CATL hikes prices or faces production snags, as seen in past EV supply chain disruptions. Skepticism surrounds the 40-50% growth targets; with stock volatility and a challenging global environment, NIO needs faster V2G monetization to justify valuations.
This deal won't fully shield NIO from price wars—expect more consolidation in China's EV space, where NIO's swap model provides an edge but not immunity. NIO confirmed the collaboration elevates synergy across the ecosystem, Just-Auto.com reported. The company's 1 million vehicle milestone underscores momentum, but scaling V2G and overseas sales will test execution in a crowded field.