DEMO-13-C2

Evidence by metric

No data recorded for: charging-path power loss, voltage fluctuation (supporting), temperature rise (supporting).

• Persistent deviation from baseline

  5 of the last 5 contact resistance observations exceeded 0.274 mΩ — the larger of the baseline median 0.254 mΩ plus 3.5 robust spreads (spread 0.006 mΩ, from the first 12 observations) and +8% of the median. The largest deviation was 18.7 spreads (42%) above baseline.

• Sustained adverse trend

  Over the last 10 observations (63 days), contact resistance rose by about 0.11 mΩ (43% of the baseline median 0.254 mΩ). 93% of point-to-point comparisons were increases (threshold 75%).

• All 26 readings were restated at 20 °C (recorded 24.8–39.2 °C, coefficient 0.39% per °C). The largest adjustment to one reading was 7.0%. Baselines, alerts and forecasts use the restated values.