Soooo, anyone push their battery this low?

PalsyWalsy

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First off, I will say I have never really had range anxiety and love the car. Road trip many times.

That said, this one had me sweating on a 28 degree night with no heat running to get to the charger!

Quick recap:

Going on a quick trip to Tennessee with my 10 yr old for a soccer tournament over the weekend and she wanted to drive down (from north of Chicago). Planned my trip and apparently I got a little too ambitious in the first leg of the trip. Planned to show up with about 25 miles to spare. At some point in the trip, I actually went negative (meaning I had 25 miles to go but the GOM said 23 miles to empty.) EEK.

So when she fell asleep, I ever so slyly and conveniently shut everything off to conserve energy and gained a bit of miles back. We arrived to charge and she asked "When did it get so cold?" "I must have accidentally lowered the heat, I will fix that now honey."

If she would have seen my face for the last 25 miles, she would probably look at me different going forward.

What is the lowest you may have dropped your percentage down to (not for "testing purposes", but "oh sh*t I better find a charger")?

Ford Mustang Mach-E Soooo, anyone push their battery this low? Low percentag


BTW, that is a lot of friggin bars.
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superdave80

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I had a similar experience on a trip I had taken twice during the summer with no problem, but then took that same trip late at night a few months ago when it was much colder. I had my two kids asleep in the car, and I was watching my GOM drop quickly as I went up in altitude and it continued to get colder. Much nervousness during that last 40 minutes of driving!

Normally I wouldn't cut it that close on this trip, but it was late, and I was already behind schedule (for non-EV reasons), so I thought, "Eh, I can make this last leg without another charge!"
 
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PalsyWalsy

PalsyWalsy

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I was in the middle of the state where it is a charger desertland away from the city, so it was this location or bust (naturally a Walmart parking lot).
 

bdonpwn

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Ford Mustang Mach-E Soooo, anyone push their battery this low? 1FFBD805-2561-481C-B1BB-3B56A9739781

Did my normal 10 min DCFC stop on a 3.5 hr roundtrip I frequently perform (usually enough to get home with about 10-15%). Ended up taking some unplanned stops on the way home and forgot to adjust. No joke, the “pull over safely now” message came on as I was rounding my street corner lol. Not proud of this one.
 


azerik

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I ran my FFE out once. It was 119 in the shade that day. I ran out 1/2 mile from Whole Foods, where there was a freshly installed Volta.. that was already broke. Car fully gave up with the SSN just as I decided to take the right to WF rather than the left to my house. (If I went left I would have been dead in the middle of no less than 5 intersections on my way home) So I powered off, sat for a few, cycled it and was able to move about another 400ft. (I needed to go about 2000ft) So I keyed off, waited (sweating) key on couple more feet. Got to the top of the hill to pull into WF and tried using regen. Didn't help much. Anyway lots of this key off wait key on move key off etc. For about a hour. Then I got to WF's and my mom showed up with an extension cord and I 110'd the car for about 3 hours so I could drive home in shame. My mom took my wife and kid home. Kid got Foyo so she was happy. Wife wasn't talking to me for a while. This whole thing was because I had been asked to start and cool down the car for a total of 20 minutes before actually leaving my moms house. Pretty sure that would have gotten me 3/4 of a mile further down the road had it not been running for 20 min in the sun.
 

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I went to pick up my son whose car died the day before Thanksgiving. I knew about what I needed to get home and got just enough DCFC to get us home.

I was constantly monitoring the GOM and for most of the trip I was targeted to arrive at around 1% SOCD. I did have to slow down a little, actually going close to the speed limit for a while, to keep the charge at destination from dropping all the way to 0%.

Like you, I arrived at 2% SOC. I was never worried because I trusted the GOM. Also I know the car will drive past 0%. I would have been worried if my destination was a public charger instead of my home charger, because you really cannot trust public chargers these days.

My son was pretty stressed out about it. ?
 
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PalsyWalsy

PalsyWalsy

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I went to pick up my son whose car died the day before Thanksgiving. I knew about what I needed to get home and got just enough DCFC to get us home.

I was constantly monitoring the GOM and for most of the trip I was targeted to arrive at around 1% SOCD. I did have to slow down a little, actually going close to the speed limit for a while, to keep the charge at destination from dropping all the way to 0%.

Like you, I arrived at 2% SOC. I was never worried because I trusted the GOM. Also I know the car will drive past 0%. I would have been worried if my destination was a public charger instead of my home charger, because you really cannot trust public chargers these days.

My son was pretty stressed out about it. ?
Yes, that is part of the difference. If it was going home I would have been fine. Targeting an unknown destination with what will or will not work (?), added stress.
 

LF699

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I ran my FFE out once. It was 119 in the shade that day. I ran out 1/2 mile from Whole Foods, where there was a freshly installed Volta.. that was already broke. Car fully gave up with the SSN just as I decided to take the right to WF rather than the left to my house. (If I went left I would have been dead in the middle of no less than 5 intersections on my way home) So I powered off, sat for a few, cycled it and was able to move about another 400ft. (I needed to go about 2000ft) So I keyed off, waited (sweating) key on couple more feet. Got to the top of the hill to pull into WF and tried using regen. Didn't help much. Anyway lots of this key off wait key on move key off etc. For about a hour. Then I got to WF's and my mom showed up with an extension cord and I 110'd the car for about 3 hours so I could drive home in shame. My mom took my wife and kid home. Kid got Foyo so she was happy. Wife wasn't talking to me for a while. This whole thing was because I had been asked to start and cool down the car for a total of 20 minutes before actually leaving my moms house. Pretty sure that would have gotten me 3/4 of a mile further down the road had it not been running for 20 min in the sun.
How far do you think you drove after the car hit 0%?
 

azerik

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On that car only about 5 miles, on the freeway, doing 60. The MME supposedly has 20 miles in reserve when it zeros out.
 

superdave80

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1FFBD805-2561-481C-B1BB-3B56A9739781.jpeg

Did my normal 10 min DCFC stop on a 3.5 hr roundtrip I frequently perform (usually enough to get home with about 10-15%). Ended up taking some unplanned stops on the way home and forgot to adjust. No joke, the “pull over safely now” message came on as I was rounding my street corner lol. Not proud of this one.
Not proud? I'd make that my profile image! :cool:
 

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The last time coming home from Pasadena I decided to skip a charging stop on the way home and arrived with 13%. I wasn't worried, but I usually don't drive below 20-25%. I need to explore the <10% space a bit more, perhaps.
 

mkhuffman

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The last time coming home from Pasadena I decided to skip a charging stop on the way home and arrived with 13%. I wasn't worried, but I usually don't drive below 20-25%. I need to explore the <10% space a bit more, perhaps.
You haven't really lived yet then!

This reminds me of the Seinfeld episode when Kramer test drives a car with the car salesman until it runs out of gas. Hilarious.
 

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I've gotten down to low single digits on the GOM at least six times... likely more in my Winter 2022-23 travels.

I am aware of the "extra 3 kWh range" or something similar we all got with an update back in June or July, and that this extra range sliver of a bandwidth is hidden on the back side of a zero indicated battery range.

I'm also coming off of three sequential Priuses (Prii?) and two plug-in hybrids, i.e. my last Prius and then the Fusion Energi. I did zero out my 1st, Gen 1 Prius on both gas and battery juice wayyy back in 2005 or so, somewhere by Harrisburg Pennsylvania. The lady in the passenger seat thought it was fun until she realized what it really meant.

Separately from the GOM, I've taken the Mach E's HV battery down to 1% at least once this Winter. The sun still rose the next morning, and in the East at that! but I never took it to 0% on the battery yet.
 

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Three days into ownership, I got down to 8% on a short road trip. That’s the lowest I ever wanna be. I was freaking out.
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