Low-frequency EIS fits keep failing? Check the data before blaming the circuit
A real fitting case shows how Lin-KK testing can separate a questionable circuit model from questionable EIS data before parameter tuning begins.
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Why EIS Frequency and DRT Relaxation Time Do Not Map Point by Point
The DRT axis is not a point-by-point conversion of EIS frequency. Learn the characteristic-time relation for an ideal RC process and how Oparic defines its numerical relaxation-time grid.
Read articleOparic Paid Plans Launch July 21, 2026—Core Features Remain Free
Oparic introduces Free, Plus, and Pro licenses on July 21, 2026, together with arrangements for early users.
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