Mad Range Gainz

sambastang

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Noticing a definite uptick in my Estimated Distance to Empty in the last day or so. Ahhhh, spring. :)

Ford Mustang Mach-E Mad Range Gainz Screenshot_20210314-070443
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DanHo

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Noticing a definite uptick in my Estimated Distance to Empty in the last day or so. Ahhhh, spring. :)

Screenshot_20210314-070443.png
Could it also be attributed to the warmer weather we’ve been having in the Seattle area as well?
 

fayt349

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I'm in california so its not cold here with a RWD extended range battery but only getting 230 at 90%

:(
 
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sambastang

sambastang

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Could it also be attributed to the warmer weather we’ve been having in the Seattle area as well?
Yeah, that's what I was thinking as well. And prolly not because I've moderated my driving habits. ?
 
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sambastang

sambastang

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I'm in california so its not cold here with a RWD extended range battery but only getting 230 at 90%.

:(
I'm only going up to 85 when I charge, but don't know that I'd see 230 at 90% either
 


benk016

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Mine gets higher and higher every time I take a longer trip

Ford Mustang Mach-E Mad Range Gainz Screenshot_20210314-175227_FordPass
 

timbop

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<searches thread with Ask An Electrical Engineer to find out why batteries get stretchy> ?
The battery isn't stretchy; the guess-o-meter is getting less conservative as it gets warmer. It does perform less efficiently it or below freezing. As I (and others include @RonTCat) have suggested multiply the mi/kwh you're getting by 88 to get a truer picture of actual full battery range. The guess-o-meter assumes you're going to blast the heat and burnout so that it gives a conservative estimate to prevent you from a dead battery mid trip.

For me I've seen the mi/kwh change on my 100 mile commute (50 mph average) in various temperatures over the last month:
  • At temps in the 20's/30's I was getting 3.1 mi/kwh. Heat at 65 degrees
  • When it got to the 50's it went up to 3.3 mi/kwh. Heat at 65 degrees
  • Last thursday it was in the 70's and I got 3.7 mi/kwh. climate control off
 
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sambastang

sambastang

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The battery isn't stretchy; the guess-o-meter is getting less conservative as it gets warmer. It does perform less efficiently it or below freezing. As I (and others include @RonTCat) have suggested multiply the mi/kwh you're getting by 88 to get a truer picture of actual full battery range. The guess-o-meter assumes you're going to blast the heat and burnout so that it gives a conservative estimate to prevent you from a dead battery mid trip.

For me I've seen the mi/kwh change on my 100 mile commute (50 mph average) in various temperatures over the last month:
  • At temps in the 20's/30's I was getting 3.1 mi/kwh. Heat at 65 degrees
  • When it got to the 50's it went up to 3.3 mi/kwh. Heat at 65 degrees
  • Last thursday it was in the 70's and I got 3.7 mi/kwh. climate control off
I do appreciate its pragmatically conservative estimates. This car is ushering in a whole new wave of EV buyers. Better safe than sorry. Oh, and temps in the 70's? I'm totally jealous
 

timbop

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Oh, and temps in the 70's? I'm totally jealous
Don't be too jealous, it was a temporary thing - we're back to highs around 40 this week. It was REALLLLLY nice while it lasted, though
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