CATL Choco 26# Battery Enables 99s Swaps

Post LinkedIn

🏠Read original on IT之家

#ev-battery#battery-swapping#800v-architecturechoco-26#-batterycatlchoco-26shenxing

💡100k-station EV infra scales robotaxi ops, key for AI mobility builders (CATL plan by 2028)

⚡ 30-Second TL;DR

What Changed

75kWh initial capacity on 800V platform for broad car compatibility

Why It Matters

Accelerates EV mass adoption by solving charging bottlenecks, vital for scaling autonomous vehicle fleets and robotaxi services.

What To Do Next

Benchmark CATL's 99s swap times against robotaxi refueling needs in your fleet simulation models.

Who should care:Enterprise & Security Teams

Key Points

•75kWh initial capacity on 800V platform for broad car compatibility
•99-second battery swapping via super-swap integrated stations
•Partners with 11 automakers across 25 models for A0-C class coverage
•4000 stations in 190 cities and major highways already operational
•Expansion to over 100,000 shared stations by end of 2028

🧠 Deep Insight

AI-generated analysis for this event — not the original article.

🔑 Enhanced Key Takeaways

•The Choco 26# utilizes CATL's proprietary 'Cell-to-Chassis' (CTC) integration technology, which eliminates the traditional battery pack housing to increase volumetric energy density by approximately 20% compared to previous generation swappable modules.
•The 800V architecture enables a peak charging power of 4C, allowing the battery to recover 80% state-of-charge in under 10 minutes when not utilizing the 99-second swap service.
•CATL has implemented a blockchain-based battery asset management system to track the health, cycle count, and ownership history of each Choco 26# unit across the shared network, facilitating transparent battery-as-a-service (BaaS) billing.

📊 Competitor Analysis▸ Show

Feature	CATL Choco 26#	NIO Power Swap	Geely E-Energee
Architecture	800V	400V/800V (Gen 4)	400V
Swap Time	99s	~180s	~60s-120s
Compatibility	Multi-brand (11 OEMs)	Proprietary (NIO/Sub-brands)	Primarily Geely Group
Station Type	Integrated Super-swap/Charge	Dedicated Swap	Dedicated Swap

🛠️ Technical Deep Dive

Cell Chemistry: Utilizes high-nickel NCM (Nickel Cobalt Manganese) cathode material optimized for high-frequency thermal cycling during rapid swaps.
Thermal Management: Features a liquid-cooled bottom-plate design that interfaces directly with the vehicle's thermal management system upon docking, ensuring rapid stabilization after high-power charging.
Connector Interface: Employs a high-current, vibration-resistant blind-mate connector system rated for over 10,000 mating cycles.
Communication Protocol: Uses a CAN-FD bus interface for real-time BMS (Battery Management System) synchronization with the vehicle's central gateway during the swap process.

🔮 Future ImplicationsAI analysis grounded in cited sources

CATL will achieve a dominant market share in the Chinese battery-as-a-service (BaaS) sector by 2027.

The open-platform approach partnering with 11 automakers creates a network effect that proprietary swap networks like NIO cannot match in scale.

The 800V standardization will force a shift in mid-range EV pricing.

By enabling 800V capabilities in B/C-class cars via a swappable module, CATL lowers the barrier for OEMs to adopt high-voltage architectures without individual R&D investment.

⏳ Timeline

2022-01

CATL officially launches the EVOGO battery swapping brand and the 'Choco-SEB' (Swappable Electric Block) concept.

2022-04

First EVOGO battery swap stations begin commercial operation in Xiamen, China.

2024-09

CATL announces the development of the next-generation high-voltage swappable battery platform.

2026-04

Official launch of the Choco 26# battery and expansion of the integrated super-swap network.

🏠Read original article on IT之家

📰

Weekly AI Recap

Read this week's curated digest of top AI events →

👉Related Updates

Same topic

Explore #ev-battery

Same product