BrockWI
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Contact: Website

Re: Chevrolet Bolt - 60 kWh, 238 mi, < 7s 0-60

Wed Nov 07, 2018 2:43 pm

I agree, but loosing 20 miles (18%) of range from the Leaf's 84 range compared to loosing 20 miles (8%) from the Bolt's 238 range has more of an impact on usefulness of the vehicle :)

But nothing can touch the total cost / mile of our Leaf.
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WetEV
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Location: Near Seattle, WA

Re: Chevrolet Bolt - 60 kWh, 238 mi, < 7s 0-60

Wed Nov 07, 2018 5:12 pm

BrockWI wrote:I agree, but loosing 20 miles (18%) of range from the Leaf's 84 range compared to loosing 20 miles (8%) from the Bolt's 238 range has more of an impact on usefulness of the vehicle :)

But nothing can touch the total cost / mile of our Leaf.


An iMiev?

:o :lol:
WetEV
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rcm4453
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Location: Wayzata, MN

Re: Chevrolet Bolt - 60 kWh, 238 mi, < 7s 0-60

Thu Nov 08, 2018 12:46 am

GRA wrote:Via IEVS:
This Chevrolet Bolt Battery Lost 8% Capacity At 70,000 Miles
https://insideevs.com/chevrolet-bolt-battery-lost-capacity-70000-miles/

Haven't watched the video, but the author says the following:

“After 70,000 miles, I decided to review the data that I have gathered for nearly two years of driving the Bolt EV. Based on my estimates, my Bolt EV has lost a noticeable amount of battery capacity. To estimate the amount of degradation, I compared kWh used versus the battery percentage displayed at the station, and I was able to create a timeline of total estimated battery capacity.

0:47 Methodology

3:41 Degradation

4:44 Software Update affected capacity?

7:45 What can other EV owners expect?

9:30 Does DC fast charging contribute?

10:35 Does that much degradation actually matter?

13:03 My Recommendations

15:04 Closing”




You gotta watch his video to know the details. He explains everything. The software update may account for some of that 8% figure so it's probably even less than that.

Plus he explains his use case is probably near worse case scenario for the battery. He DC fast charges like crazy, charges to 100% a lot and discharges down to a really low SoC all the time.

The average Bolt EV owner will most likely see less degradation.

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paulgipe
Posts: 250
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Leaf Number: 311200
Location: Bakersfield, CA 93305
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Re: Chevrolet Bolt - 60 kWh, 238 mi, < 7s 0-60

Wed Nov 14, 2018 3:28 pm

powersurge wrote:
paulgipe wrote:
GRA wrote:Paul, thanks for providing a link to this. I meant to ask you to do so or copy it here, but got busy and forgot.

Guy, yes I got busy and forgot about it too. ;)

Paul


Thank you for a wonderful write up on the Bolt.

Being that you are in this field of evaluation electric vehicles, would you have any information on the expected lifetime of the Bolt battery before needing to face a battery replacement?

It appears that when choosing an EV nowadays, consumers need to take into account the size and durability of the battery more than anything??

Thanks


I begun monitoring DIC battery capacity this summer and now track it along with all the typical stuff I track with each charge. We're a year into ownership of the Bolt, 10,000 miles on the odometer and the capacity is 60.8 kWh according to the currently accepted method of reading the car's codes. There's debate about this measurement, but that's what it's showing and I'll post a chart on it eventually and compare it to the degradation we saw in our Leaf. That's probably a year out at this rate. ;)

It's useful to note that the Bolt appears to be shipped with more than 60 kWh usable capacity. We know that the Leaf's usable capacity is less than nameplate.

Paul
Bakersfield, California
2017 Bolt LT with DCFC, leased 11/09/17
2015 Nissan S with QC, leased, returned
2013 Chevy Volt Premium, used 10/3/16, sold
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Valdemar
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Location: Oak Park, CA

Re: Chevrolet Bolt - 60 kWh, 238 mi, < 7s 0-60

Mon Dec 03, 2018 10:29 am

I jumped into one at LA Auto Show yesterday to refresh my memory how bad the seats felt last time a year ago, and they felt exactly the same this time. Next.
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-0CB(66.14AHr)@87.5k/54mo (BBB), -1CB(53.92Ahr)@140k/29mo,
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KeiJidosha
Gold Member
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Location: Simi Valley, CA

Re: Chevrolet Bolt - 60 kWh, 238 mi, < 7s 0-60

Mon Dec 03, 2018 2:08 pm

Valdemar wrote:I jumped into one at LA Auto Show yesterday to refresh my memory how bad the seats felt last time a year ago, and they felt exactly the same this time. Next.


I think the Kia/Hyundai EVs would be an obvious choice for those unhappy with the Bolt's seats. And independent rear suspension improves the ride. I agree with Edmunds' assessment of the Bolt in this comparison on one of my favorite roads, except that for me, the seats are fine;

https://www.youtube.com/watch?v=2lsVDdgLXho
- 2009 BMW MINI E > 2013 Honda Fit EV > 2017 Chevy Bolt EV
- 2013 Ford C-Max Energi > Tesla Model 3 (Reservation) :?:

GRA
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Re: Chevrolet Bolt - 60 kWh, 238 mi, < 7s 0-60

Wed Dec 12, 2018 6:30 pm

IEVS:
WeberAuto Examines The Chevy Bolt EV’s Battery Coolant System
https://insideevs.com/chevy-bolt-ev-coolant-loop-video/
Guy [I have lots of experience designing/selling off-grid AE systems, some using EVs but don't own one. Local trips are by foot, bike and/or rapid transit].

The 'best' is the enemy of 'good enough'. Copper shot, not Silver bullets.

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