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Stop guessing. Start measuring. Safion builds EIS systems for every stage of the battery lifecycle. Which Safion system fits your workflow? Answer a few questions about your application and we'll recommend the right Safion system for your needs.

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At which production stage?

How many cells do you test per setup?

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What our customers ask

What is electrochemical impedance spectroscopy (EIS)?

EIS is a non-destructive measurement method that analyses the internal state of a battery cell by applying a small AC signal across a range of frequencies. The resulting impedance spectrum reveals information about internal resistance, charge transfer, and degradation — without affecting the cell.

Which industries use Safion systems?

Safion systems are used in battery cell manufacturing, automotive OEMs and Tier 1 suppliers, research institutions, and second-life battery processing. Any application that requires precise cell characterisation — from R&D to mass production — is a fit.

What is the difference between R&D and production EIS?

In R&D, EIS is used to characterise cells in detail — understanding degradation mechanisms, building models, comparing chemistries. In production, speed and integration matter: EIS must run inline, in sync with the line, and feed decisions automatically. Safion builds dedicated systems for both.

How many cells can be tested simultaneously?

Depending on the system: the Inspectrum MUX-8 tests up to 8 cells in parallel; the HD and HDT variants support up to 20 multiplexed channels. The ExaMight system is designed for continuous inline throughput rather than batch testing.



Can Safion systems be integrated into existing production lines?

Yes. The ExaMight series is designed for inline integration — it connects directly to your conveyor or handling system and delivers sorting decisions in real time without becoming a bottleneck.

What cell formats are supported?

Safion systems support cylindrical, pouch, and prismatic cells. Cell contacting units are available for all three formats and can be configured to your specific cell dimensions.

What is the difference between the Inspectrum and ExaMight series?

Inspectrum is Safion's laboratory and test bench platform — built for precise characterisation, research, and formation and aging workflows. ExaMight is built for production lines — optimised for throughput, inline integration, and automated sorting at scale.

Is EIS suitable for second-life battery assessment?

Yes. EIS is one of the most reliable methods for assessing state-of-health in used cells — making it well suited for repurposing and second-life grading workflows where cell history is unknown.

More questions? Ask our expert for informations