Geotab battery degradation study

[Dolemite]

Take a look: What can 6,000 electric vehicles tell us about EV battery health? - Geotab Blog

Things that stood out to me:

1. Level 1 charging sees higher degradation than Level 2? I wonder if this is right
2. Tesla degradations appear worse than what owners report on the internet. Looking specifically at the Model S
3. They're attributing DCFC as a notable source of degradation. What's unfortunate is that we can't break Teslas out in that number - arguably the least-impacted by DCFC.
4. "In later updates to the degradation tool we intend to include the impact of owner’s operation within this discretionary (B) region and the resulting impact on degradation rates." << This is absolutely critical, looking forward to this update.

Thoughts?

 

[ewoodrick]

I believe that this is for fleet cars which includes a lot of vehicles. I don't feel that it is greatly reflective of the Tesla charging methods.
I think that the BIG thing that you should take away from this study is

DON'T WORRY ABOUT BATTERY DEGRADATION!!!

 

[Brando]

Who thinks Tesla has the best batteries? and some actually have data to back up their opinions?
Sandy Munro Munro & Associates, Inc. | Home of Lean Design and Design Profit
Teslanomics | Exploring Sustainable Tech by Analyzing Data
Jeff Dahn Research Group
Tech Forum Tech Forum
Tesloop

You'll have to dig up the actual information yourself. Actually look and read.

some direct research try: tesla battery degradation
AND if you want more general knowledge try searching: slac lithium batteries