Re: [EVDL] Pandemic Cell Fade

2021-02-03 Thread Peter VanDerWal via EV
The GOM guestimates range based on a number of factors including: exterior temperature, climate control settings, and recent driving experience ( whs per mile) Cold weather with the heat on can reduce your guestimated range by 20% or more. Short trips, especially if they leave the car "on" whi

Re: [EVDL] Pandemic Cell Fade

2021-02-03 Thread Rod Hower via EV
David,You did see the post that my 2014 Volt has a 16.5 kWh pack and has 10.4 usable?  They did this for a reason and it was not to overcharge or undercharge the battery pack to provide maximum life.  There is one person on the Facebook Volt group that had over 400k miles and close to original

Re: [EVDL] Pandemic Cell Fade

2021-02-03 Thread Ed Blackmond via EV
The only time these guess-o-meters are correct is when they read zero. I’ve had three OEM electric cars. The implementation of the guess-o-meter in the 1998 Honda EVPlus was by far the best. It consisted of a bar graph with two horizontal bars indicating the distance to empty in different con

Re: [EVDL] Pandemic Cell Fade

2021-02-03 Thread EVDL Administrator via EV
Not to be too pessimistic about it (though you gotta do what you're good at, and I'm GREAT at pessimism), but some of that might be actual battery capacity loss. Lithium capacity loss from long term storage at high states of charge does happen, especially at high ambient temperatures. Most pr

Re: [EVDL] Pandemic Cell Fade

2021-02-03 Thread EVDL Administrator via EV
On 3 Feb 2021 at 20:27, Dan Baker via EV wrote: > Then when the vehicle shuts off you can view > the "energy consumption since last charge" screen (pops up automatically) to > see how many KW the battery put out. I think the max I've seen is 13.7KW. This is your pedantic frantic fanatic butting

Re: [EVDL] Pandemic Cell Fade

2021-02-03 Thread paul dove via EV
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Re: [EVDL] Tesla's display recall

2021-02-03 Thread Haudy Kazemi via EV
riant of this is being done by > other manufacturers, but evidentially not Tesla. > > Peri > > > << Annoyed by leaf blowers ? https://quietcleanseattle.org/ >> > -- next part -- > An HTML attachment was scrubbed... > URL: < > http://lists.evdl.org/pri

Re: [EVDL] Pandemic Cell Fade

2021-02-03 Thread Dan Baker via EV
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Re: [EVDL] Pandemic Cell Fade

2021-02-03 Thread (-Phil-) via EV
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Re: [EVDL] Pandemic Cell Fade

2021-02-03 Thread Peri Hartman via EV
Common sense tell me that at, say, 5mph the energy to move a car is so minimal that all these inefficiencies together would still be far less than when traveling at, say, 30mph on a public road. (Your mother must have a long driveway, but still short compared to going shopping.) But, prove me w

Re: [EVDL] Pandemic Cell Fade

2021-02-03 Thread Mr. Sharkey via EV
> the milage of driving up and down the driveway is much > worse than actually driving somewhere This would be true in any vehicle. Lubricants wouldn't have time to heat up and become less viscous, tires would stay stiff on a short run, brake pads and calipers would have more residual friction

Re: [EVDL] Pandemic Cell Fade

2021-02-03 Thread Matt Lacey via EV
Likely the milage of driving up and down the driveway is much worse than actually driving somewhere. The calculated range is based on how much energy used in the previous several miles. She just needs to go for a drive to correct the calculation ⁣Get BlueMail for Android ​ On 4 Feb 2021, 03:5

Re: [EVDL] Pandemic Cell Fade

2021-02-03 Thread Steves via EV
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Re: [EVDL] Pandemic Cell Fade

2021-02-03 Thread Rod Hower via EV
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Re: [EVDL] Pandemic Cell Fade

2021-02-03 Thread (-Phil-) via EV
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Re: [EVDL] Pandemic Cell Fade

2021-02-03 Thread Bill Dennis via EV
I'll try a few more charging cycles. Right now, whenever I take it out, it's doing its mandatory running of the ICE engine, so the charge hasn't gone down yet. Bill -Original Message- From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Steves via EV Sent: Wednesday, February 3, 20

Re: [EVDL] Pandemic Cell Fade

2021-02-03 Thread Mr. Sharkey via EV
I'd say it's more likely a calibration error brought on by shallow cycling and disuse. The only way the "car" (computer algorithm) knows how far the car can go is to compare battery health to recent mileage. This would require it to observe recent discharge/recharge cycles to develop chrunchab

Re: [EVDL] Pandemic Cell Fade

2021-02-03 Thread Steves via EV
One possibility is that the mileage varies with temperature . I typically show 60 miles in summer and 40 in winter ( northern VA). Also I think it projects mileage based on recent usage. So the trips to and from mailbox may be poor mileage trips. Does it show 40 miles after several more chargin

Re: [EVDL] Pandemic Cell Fade

2021-02-03 Thread Paul Compton via EV
Because it's calculating range based on driving style? On Wed, 3 Feb 2021 at 19:14, Bill Dennis via EV wrote: > > Pre-pandemic, when my mother-in-law charged her 2017 Chevy Volt, it would > have about 60 miles electric range. Throughout the pandemic, she's done > nothing with the car except driv

Re: [EVDL] Pandemic Cell Fade

2021-02-03 Thread Bill Dennis via EV
She leaves the car plugged in all the time, even after it's fully charged. She uses 110V charging. Bill -Original Message- From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Peri Hartman via EV Sent: Wednesday, February 3, 2021 12:32 PM To: Electric Vehicle Discussion List Cc: Peri

Re: [EVDL] Pandemic Cell Fade

2021-02-03 Thread Peri Hartman via EV
What does the Volt charger do at full charge and the cable stays plugged in ? Does it periodically recharge as parasitic uses discharge the battery ? What is her charging pattern and what was it before the pandemic ? It could be that, after one year, constant recharging to 100% damaged the cell

Re: [EVDL] Pandemic Cell Fade

2021-02-03 Thread Glenn Brooks via EV
One of the Battery cells going bad, maybe. Sent from my iPad > On Feb 3, 2021, at 11:14 AM, Bill Dennis via EV wrote: > > Pre-pandemic, when my mother-in-law charged her 2017 Chevy Volt, it would > have about 60 miles electric range. Throughout the pandemic, she's done > nothing with the car e

[EVDL] Pandemic Cell Fade

2021-02-03 Thread Bill Dennis via EV
Pre-pandemic, when my mother-in-law charged her 2017 Chevy Volt, it would have about 60 miles electric range. Throughout the pandemic, she's done nothing with the car except drive it to the top of the driveway and back to check the mail. When we were finally able to get to Georgia to visit her th

Re: [EVDL] Tesla's display recall

2021-02-03 Thread paul dove via EV
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[EVDL] Tesla's display recall

2021-02-03 Thread Peri Hartman via EV
g done by other manufacturers, but evidentially not Tesla. Peri << Annoyed by leaf blowers ? https://quietcleanseattle.org/ >> -- next part -- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl