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by scrambler
Tue May 04, 2021 3:35 pm
Forum: Batteries and Charging
Topic: Battery degredation
Replies: 248
Views: 137150

Re: Battery degredation

Same question here: https://www.mychevysparkev.com/forum/vi ... 110#p28285

Let me know if anyone answers :)
by scrambler
Thu Apr 22, 2021 1:44 pm
Forum: Batteries and Charging
Topic: Battery Degradation vs Battery Limited Warranty
Replies: 120
Views: 79528

Re: Battery Degradation vs Battery Limited Warranty

So here I am getting close to the end of my Battery Warranty (July 13th) on my Spark 2014. It is said to have a 21kWh battery, but an unknown Usable capacity value. I started with 16.1 kWh usable at 52,000 miles in Jan 2017, and after a steady decline over the years, I am now at 12.8 kWh at 76,000 m...
by scrambler
Tue Oct 20, 2020 8:35 am
Forum: Batteries and Charging
Topic: Battery degredation
Replies: 248
Views: 137150

Re: Battery degredation

I don't think that the usable capacity of a 2014 is actually 21kWh, but no one knows for sure :) I think assuming 18.5kWh usable is safer and so waiting until it drops under 12kWh usable should be the way to go if time permits. Of course if your battery warranty is about to expire around 13kWh, I wo...
by scrambler
Mon Sep 07, 2020 3:54 pm
Forum: Batteries and Charging
Topic: Article on battery deterioration
Replies: 2
Views: 1336

Re: Article on battery deterioration

Not using your car for a year in hopes of a few percent.... :roll:
by scrambler
Sat Sep 05, 2020 12:06 pm
Forum: General / Main Owners Forum
Topic: 2016 vs 2014
Replies: 16
Views: 5931

Re: 2016 vs 2014

When using the car console numbers, try to take the numbers when both the kWh and the % change at the same time.
That will reduce the rounding errors.

Also if possible take numbers when there is no conditioning value as this increases the magnitude of rounding errors by 50%
by scrambler
Mon Aug 24, 2020 9:00 am
Forum: Batteries and Charging
Topic: Battery degredation
Replies: 248
Views: 137150

Re: Battery degredation

The energy screen does take the regen braking into account. If you go down a hill with a lot of regen, you will see the kWh and % go down together, so regen or not the extrapolated usable capacity calculated from these numbers will be the same regardless of how much regen you had. Regen has nothing ...
by scrambler
Tue Jun 16, 2020 7:49 pm
Forum: General / Main Owners Forum
Topic: Place Key in Transmitter Pocket
Replies: 14
Views: 8555

Re: Place Key in Transmitter Pocket

Thanks, but no the battery were installed right.

I bought a new set of batteries, and these worked.
The only difference is they were CR2032H instead of CR2032.

No idea why the other ones did not work, especially as they were putting out 3,2V.
by scrambler
Fri Jun 12, 2020 9:00 am
Forum: General / Main Owners Forum
Topic: KeyFob / receiver problem
Replies: 0
Views: 2417

KeyFob / receiver problem

Just ran into a keyFob problem. I only have one Spark and 2 keyfobs for it. Keyfob did not open the car, so I went ahead and changed the battery, nothing Got the spare keyfob, put a brand new battery in (both batteries tested at 3.2V) nothing I can open and start the car with the key inserted, but b...
by scrambler
Thu Jun 11, 2020 5:27 pm
Forum: General / Main Owners Forum
Topic: Place Key in Transmitter Pocket
Replies: 14
Views: 8555

Re: Place Key in Transmitter Pocket

Just ran into a similar problem. I only have one Spark and 2 keyfobs for it. Keyfob did not open the car, so I went ahead and changed the battery, nothing Got the spare keyfob, put a brand new battery in (both batteries tested at 3.2V) nothing I can open and start the car with the key inserted, but ...
by scrambler
Mon Mar 23, 2020 1:23 pm
Forum: Buying / Leasing / Dealerships
Topic: Considering buying used 2015 Spark EV with 22K miles
Replies: 14
Views: 7701

Re: Considering buying used 2015 Spark EV with 22K miles

What Miles/kWh do you get on the trip meter when reset before a day of driving. Because if you get less that 4.4 Miles/kWh, then the culprit is more likely your driving style / condition than the battery degradation. A rough estimate of the usable capacity of the battery when new is 19kWh. The EPA E...

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