CATL achieves world’s first scale deployment of embodied AI humanoid robots on battery production lines
CATL has successfully deployed humanoid robots on its battery production lines. The company announced on December 17 that the world’s first large-scale implementation of humanoid robots in new energy battery pack production is now operational at CATL’s Zhongzhou facility.
The humanoid robot, named “Moz,” is capable of performing complex operations such as precisely connecting high-voltage battery connectors, marking a milestone in the application of embodied AI in intelligent manufacturing.
According to CATL, Moz has been deployed in the End of Line (EOL) and Direct Current Resistance (DCR) testing processes, critical final functional tests for battery packs before shipment. These processes previously required human workers to precisely connect test plugs carrying hundreds of volts to specific locations on battery packs, creating high-voltage spark risks and inconsistencies in efficiency and quality.

Moz has dramatically transformed this situation. Equipped with end-to-end vision-language-action (VLA) models, the robot demonstrates powerful environmental perception and task generalization capabilities that make it uniquely suited for this complex work.
According to CATL, the robot excels in three key areas:
- Precision adaptation: Moz can independently adjust to incoming material position deviations and connection point changes, continuously modifying its operational posture in real-time.
- Flexible operation: When inserting and removing flexible wire harnesses, Moz dynamically adjusts its force to ensure reliable connections without damaging components.
- Efficiency and reliability: In actual production, Moz maintains a connection success rate above 99%, with operational efficiency matching that of skilled human workers.
“Moz has become an indispensable member of our production line,” CATL stated. “Beyond its primary tasks, it autonomously detects wire harness connection status, reports anomalies immediately to reduce defect rates, and proactively switches to inspection mode between operations.”
When facing continuous production of multiple battery models, Moz has demonstrated a threefold increase in daily workload with exceptional consistency and stability.
Moz was developed by Spirit AI, a robotics company within CATL’s ecosystem, and is powered by CATL’s self-developed batteries, exemplifying successful supply chain collaboration. To transform actual production requirements into engineering specifications, CATL coordinated multiple departments to conduct in-depth production line research, jointly formulating a development plan that balances forward-looking vision with practical implementation.


