Ford Focus Electric Forum

Does anyone know what Ford's official definition is of acceptable "degradation over time" as this phrase is used in their battery warranty language to limit their liability?

I have a 2017 Focus electric whose battery has lost somewhere around 20% of its capacity (give or take), so somewhere around 3% a year. It's well under the 100k mile limit. Do I have a valid warranty claim to make?

Does anyone have any experience with such borderline issues?

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Not directly answering the Q but, I can vouch for the fact that, once the "Voltage Variation" between cells metric hits 0.30 V, a wrench light comes on (code P0BBE) and the dealer will certainly look at the battery and consider it for replacement. That happened to me, mine just happens to be at 102K miles now so I'm stuck. My battery has lost somewhere around 50% though.

Perhaps not exactly to the point, Spirillis, but still informative and helpful ... thanks!

There is no guarantee on a % degradation. If it charges and drives without throwing a DTC you will more likely than not, get nothing from ford. I have no official knowledge on this, it's just my interpretation of reading the warranty and based on my observations of how ford has treated others with battery issues.