@Doug_D Something that has made a difference in my MidRange (but is somewhat annoying to do)... is charge to 90% and let it sit for a few days, then use to <50% or so ... make sure you spend a day or so below 50%. then charge back to 90%. This has naturally happened to me two periods (first over christmas/new year and now with the "work from home" conditions where I don't drive much at all). Both times I saw significant gains in displayed range:
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What I have been doing is letting it get down to <30% or charge (takes me about a week or more these days). Then, I charge it up to 90% and it sits there for several days. The sitting at 90% allows the battery cells to balance, which allows the entire pack to charge more (it has to stop charging when the 'highest' cell reaches its limit).