Doug Darby
Member
S85D delivered 4/15/15 4800miles.
Between 243-247 consistently at 90%.
85 deg ambient temps charging at 3am in Dallas area.
Between 243-247 consistently at 90%.
85 deg ambient temps charging at 3am in Dallas area.
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Wow 247!!!! My highest at 90% was 245 when new....I'm currently at 239 @90% range mode on. 85d 10k miles.S85D delivered 4/15/15 4800miles.
Between 243-247 consistently at 90%.
85 deg ambient temps charging at 3am in Dallas area.
So over the last couple of months my 90% has drifted down rather quickly. My charging habits have remained unchanged. A couple of months ago I was getting 185-186 miles rated range at 90% charge. That drifted down a bit to 183-184. Now today down to 182. The only thing of note is that over the summer I usually park in my basement garage which sits at a steady 64 degrees F. So a nice cool way to store the car when not in use. This summer that garage is unavailable so I have been parking in my outdoor barn/garage. It gets quite a bit hotter in there. Sometimes well over 90 degrees. I wonder if this is a contributing factor accelerating my range degradation. Or maybe just firmware updates. Or maybe just something else... I don't know.
Please do not construe this as being rude, b/c that is not the intent. I feel that a +/- 5 mile variance is in the noise level of the pack charging conditions and isn't an indicator that you really have had any degradation. So the difference you are seeing in rated range now vs. then could simply be an illusion from the imprecision in calculating the capacity of your battery pack.
Not sure how this explanation jives with reality. On a daily basis, charging to the same SOC, mine will always hit the mark to within 1 rated mile. I've never woken up one day to see 5 miles more or less than the previous day at the same SOC. If it were noise related, you would expect this to be the case.
Yet I do see variation. Week to week, I see 90% at higher or lower values. But then, my battery had to go back to Freemont for refurbishment, so maybe that was just a defect of my specific pack.
So over the last couple of months my 90% has drifted down rather quickly. My charging habits have remained unchanged. A couple of months ago I was getting 185-186 miles rated range at 90% charge. That drifted down a bit to 183-184. Now today down to 182. The only thing of note is that over the summer I usually park in my basement garage which sits at a steady 64 degrees F. So a nice cool way to store the car when not in use. This summer that garage is unavailable so I have been parking in my outdoor barn/garage. It gets quite a bit hotter in there. Sometimes well over 90 degrees. I wonder if this is a contributing factor accelerating my range degradation. Or maybe just firmware updates. Or maybe just something else... I don't know.
Please do not construe this as being rude, b/c that is not the intent. I feel that a +/- 5 mile variance is in the noise level of the pack charging conditions and isn't an indicator that you really have had any degradation. So the difference you are seeing in rated range now vs. then could simply be an illusion from the imprecision in calculating the capacity of your battery pack.
Newbie question (waiting for delivery)... Why do you set the charge to 90% when charging at home overnight? I know the last bit takes the largest but is it bad for the battery to go to 100%? If these are the 90% numbers, can you still fill it up to 100% if you are planning to go on a longer trip?
Classic S85, March 2014 delivery, 20.5K miles, 90% = 237 RM, 100% = 264 RM.