Baseline for HV Battery SoH Performance

Hirschaj

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1) Delivery Soh - unknown
2) Current SoH - 99.19%
3) Current mileage - 1560
4) kWh DC charging -minimal, whatever they did at the dealership before I picked it up
5) Build date -July 2022

Porsche Taycan Baseline for HV Battery SoH Performance 523EFE45-02D1-40B6-BD1F-A5CB040DD480
 

Bognar67

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Your current SoC should not be a factor but others may provide more insight - and in regards consistency with what we have to date, folk who have provided their SoH data to date have more often than not taken their readings w/o ref to current SoC. So please share and we'll add to the list :)
Made two readings with SoC 45% and 85%. SoH is very consistent, both 98,04%.
 
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ciaranob

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1) Delivery Soh - unknown
2) Current SoH - 99.19%
3) Current mileage - 1560
4) kWh DC charging -minimal, whatever they did at the dealership before I picked it up
5) Build date -July 2022

523EFE45-02D1-40B6-BD1F-A5CB040DD480.png
Excellent, thx, will post shortly.
 


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ciaranob

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Thought I'd post the default screens that are pre-loaded/configured in the CarScanner App and OBDII scanner once you chose the Taycan profile - all customizable (and may have missed a couple of the first screens!) - just to give an idea of how much info you can extract from this simple tool:

Porsche Taycan Baseline for HV Battery SoH Performance Screenshot 2023-02-14 at 11.19.48 AM

Porsche Taycan Baseline for HV Battery SoH Performance Screenshot 2023-02-14 at 11.20.01 AM

Porsche Taycan Baseline for HV Battery SoH Performance Screenshot 2023-02-14 at 11.20.17 AM
 
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ciaranob

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Just adding more info to my low SoH of 88.14% (2020 Turbo, 5810mi). Here is the cell voltage overview screen:

cell-voltage.JPG


Where there is one cell that is clearly less than the rest, at 3.66v while the max is 3.674v. That is not much difference, but I think the worst cell determines the SoH (I think?) and thus that may explain the relatively low score.

But, for balance, the car is fantastic and I have no problem with range or anything so not sure how much to read into these numbers :)

Another weird thing is that the temperature display seems to show that some (every third!) cells are cooled less well? Do others have this too? Maybe this is completely normal though and those cells sit in the middle or further away from the cooling or something.

cell-temp.JPG
Finally got round to posting my data on this - apologies! Some distinct differences though - also not sure if this pattern might be effected differently winter to sumer but obviously winter right now:

Cell voltage health looks decent I guess:

Porsche Taycan Baseline for HV Battery SoH Performance Screenshot 2023-02-14 at 11.29.38 AM


Temp data fairly different to yours - my readings when car 'cold' (i.e. early morning after resting overnight):

Porsche Taycan Baseline for HV Battery SoH Performance Screenshot 2023-02-14 at 11.29.19 AM
 


kwanyu

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1) Delivery Soh - unknown
2) Current SoH - 87.6%
3) Current mileage - 22500 mi
4) kWh DC charging - about 1500 kWh with the battery preservation option turned on halfway through ownership
5) Build date -late 2020
 
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ciaranob

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1) Delivery Soh - unknown
2) Current SoH - 87.6%
3) Current mileage - 22500 mi
4) kWh DC charging - about 1500 kWh with the battery preservation option turned on halfway through ownership
5) Build date -late 2020
Excellent thx - will update soon.
 

ivan37tay

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Thanks for tracking this. Here is my recently-acquired GTS status:

1) Delivery Soh - unknown
2) Current SoH - 94.36%
3) Current mileage - 7500 mi
4) kWh DC charging - unknown
5) Build date - Jan 2022
Cold climate
 
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ciaranob

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Thanks for tracking this. Here is my recently-acquired GTS status:

1) Delivery Soh - unknown
2) Current SoH - 94.36%
3) Current mileage - 7500 mi
4) kWh DC charging - unknown
5) Build date - Jan 2022
Cold climate
Great stuff - will add shortly - for ref I am re-defining 'hot climates' (somewhat arbitrarily) as south of Lat 35 N so guessing you are well north of that :)

I will be adding updating the above ad adding new data to show the industry data on impact of climate on SoH. Our data def supports this but possibly indicates more of a decline than is shown by these larger datasets but discussion to come.
 
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ciaranob

ciaranob

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Data sheet and graph updated and some links to a 2023 study on SoH and charging in general - see all in Post #1.
 
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ciaranob

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Corrected some cell ref errors in the main chart and sub-divided climate zones in to 4 vs 3.
Sponsored

 
 




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