🔥36氪•Stalecollected in 10m
NIO reaches 8,870 charging and battery swap stations
💡NIO's massive energy network is a goldmine for AI-driven battery management and grid optimization research.
⚡ 30-Second TL;DR
What Changed
Total of 8,870 charging and battery swap stations deployed nationwide.
Why It Matters
NIO's massive infrastructure scale provides a unique dataset for optimizing battery health and energy distribution using AI models.
What To Do Next
If you are in the EV or energy space, analyze NIO's swap station distribution as a case study for high-density infrastructure deployment.
Who should care:Developers & AI Engineers
Key Points
- •Total of 8,870 charging and battery swap stations deployed nationwide.
- •Includes 3,849 battery swap stations and 5,021 charging stations.
- •Cumulative battery swaps have surpassed the 100 million milestone.
🧠 Deep Insight
Web-grounded analysis with 27 cited sources.
🔑 Enhanced Key Takeaways
- •The 100 million cumulative battery swaps, achieved on February 6, 2026, have saved users an estimated 83.41 million hours and RMB 26.3 billion in energy costs, while also reducing carbon emissions by over 4,169 tons.
- •NIO's Power Swap Stations have evolved through four generations, with the 4th generation (deployed since June 2024) capable of 480 swaps per day in 144 seconds and holding 23 battery packs. The 5th generation, entering trial operations in May-June 2026, is designed for compatibility across NIO's three brands (NIO, ONVO, Firefly) and external partners.
- •Beyond charging, NIO's battery swap network serves as a distributed energy storage system, supporting grid stability through load shifting (over 740 million kWh shifted) and is preparing for bi-directional (V2G) capabilities in Europe.
- •NIO has established strategic partnerships with eight automakers (including Changan, Geely, Chery, FAW, GAC, JAC, Lotus) and major energy companies (like Sinopec and Shell) to expand its battery swap ecosystem and promote industry standardization.
- •The company plans to accelerate its network expansion by adding 1,000 new battery swap stations annually through 2028, aiming for a total of 4,500 to 4,600 stations by the end of 2026.
📊 Competitor Analysis▸ Show
| Feature/Metric | NIO Battery Swap (Gen 4) | CATL Choco Swap | Ultra-Fast Charging (General) |
|---|---|---|---|
| Swap/Charge Time | 144 seconds for a full battery swap | Not explicitly stated, designed for quick swaps | ~5 minutes for 400km range; BYD offers 250 miles in 5 mins |
| Daily Capacity | Up to 480 swaps per station | Not explicitly stated | Limited by number of charging stalls |
| Battery Slots | Up to 23 battery packs per station | Not explicitly stated | N/A (no battery storage) |
| Compatibility | Primarily NIO, ONVO, Firefly; expanding to partners with 5th Gen | Designed for cross-brand compatibility | Wide compatibility across EVs |
| Network Size (China) | 3,849 battery swap stations (as of 2026-05-17) | 1,020 stations by end of 2025; target >3,000 by end of 2026 | Many providers; NIO itself has 5,021 charging stations (as of 2026-05-17) |
| Additional Features | Battery health checks, grid interaction (V2G potential), Battery-as-a-Service (BaaS) model | Standardized battery designs | Lower infrastructure costs |
🛠️ Technical Deep Dive
- NIO's 4th-generation Power Swap Stations are equipped with six ultrawide-FOV LiDARs and four Orin X chips, providing a total computing power of 1,016 TOPS for fully automatic battery swaps.
- These stations can store up to 23 battery packs and are capable of performing up to 480 swaps per day, with each swap taking approximately 144 seconds.
- The system utilizes a robotic arm to precisely remove and replace battery packs.
- NIO's Power Charger 4.0, often co-located with swap stations, features a maximum power of 640kW, a peak current of 765A, and a maximum voltage of 1,000V, using a lightweight 2.4kg liquid-cooled charging cable.
- The battery swap process includes a comprehensive health check on the battery and electric drive system to ensure optimal status.
- The earlier 2nd-generation swap stations incorporated 239 sensors and four collaborating cloud-computing systems to enhance visual recognition technology.
- The upcoming 5th-generation stations are expected to increase battery capacity by approximately 20% over the 4th generation and feature modular, customizable battery slot configurations for broader compatibility.
🔮 Future ImplicationsAI analysis grounded in cited sources
NIO's battery swap model will become a more standardized and widely adopted solution in China and potentially globally.
NIO's extensive partnerships with other automakers and its focus on cross-brand compatibility with its 5th-gen stations indicate a push towards industry-wide adoption, supported by government backing for battery swapping.
NIO's energy network will increasingly contribute to grid stability and potentially generate new revenue streams through Vehicle-to-Grid (V2G) services.
The integration of Power Swap Stations as decentralized energy storage and the planned bi-directional capabilities in Europe demonstrate a strategic move towards energy management beyond just EV charging.
The competition between battery swapping and ultra-fast charging will intensify, leading to a hybrid infrastructure model.
While battery swapping offers speed and convenience, advancements in fast-charging technology by competitors like BYD and the lower infrastructure costs of charging stations suggest both solutions will coexist, catering to different user needs.
⏳ Timeline
2018-05
First NIO battery swap station opened in Shenzhen.
2020-08
NIO launched Battery-as-a-Service (BaaS).
2021-04
Second-generation battery swap station officially opened.
2024-06
Fourth-generation Power Swap Stations began deployment.
2026-02
Completed 100 millionth battery swap.
2026-05
Fifth-generation Power Swap Stations began trial operations.
📎 Sources (27)
Factual claims are grounded in the sources below. Forward-looking analysis is AI-generated interpretation.
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Original source: 36氪 ↗