Ultra-fast cell quality testing before module assembly — built to scale with your production
Battery cell quality is decided long before cells are assembled into modules. That’s why CMWTEC developed the Semi-Automatic EIS Test Machine – Advanced Cell Classifier: a compact, production-ready solution designed to test lithium-ion pouch or prismatic cells with an exceptional combination of speed, precision, and usability.
Semi-automatic handling, fully automatic test process
The workflow is intentionally simple and operator-friendly: cells are inserted manually on the tray fixture — and once the test is started, the test sequence runs fully automatically.
At the core of the machine is a movable tray table that transports cells from loading position into the test position smoothly and reliably.
To protect both product quality and process stability, the test unit is designed to support correct positioning and contact. It detects incorrect insertion (e.g., polarity or alignment) and triggers an alarm — ensuring incorrectly placed cells are not tested.
QR-code scanner captures the cell ID so test data can be assigned correctly. After testing, results are displayed on the control panel and stored in the database.
Key benefits at a glance
The Advanced Cell Classifier was designed for high-speed, high-confidence quality assessment:
A new reference for lithium-ion battery quality assessment
Manual loading, but a fully automatic cell test process
Performance & lifetime prediction in ~1 second
Continuous monitoring of incoming cell quality
Up to 32 impedance points measured simultaneously
Ultra-fast measurement with high precision
Highly efficient design
CAN Bus & Ethernet interface for integratio

Modular by design: expand the test scope anytime
Production needs change — and your test equipment should keep up. The base machine includes a rack system with enough space to integrate additional test equipment, enabling you to expand capabilities without starting from scratch.
This modular approach supports:
adding or swapping test equipment for different cell types or test strategies
configuring multiple test profiles and combining test steps into one sequence
building tailored solutions for your quality targets (including custom combinations)
The compact design allows installation in a production area or under laboratory conditions — requiring only power and pneumatic connection.
With CAN Bus & Ethernet, the machine is also suited to be integrated into broader manufacturing environments — whether as a standalone incoming-quality gate or as part of a multi-step end-of-line / pre-assembly line concept.
And if your process calls for more: CMWTEC’s modular machine philosophy enables you to combine multiple finishing and testing units, create custom solutions (e.g., multi-function combinations), and scale into a full production line as your throughput grows.
Designed for maintenance and shop-floor reality
The machine’s robust stainless-steel profile frame and removable panels provide quick access for maintenance, with rear maintenance doors for serviceability.
It’s engineered to support an efficient day-to-day workflow — not just impressive specs.
Let’s talk configuration
Interested in the datasheet or a quick walkthrough of how the Advanced Cell Classifier fits into your process — as a single station, a modular upgrade path, or a complete line concept?
Contact us to discuss your cell type, test scope, and scalability requirements.
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