Just turned over 100K miles this week. Tessie and TelsaFi are showing 11% battery degradation. Charge 64% at home with a Tesla wall charger at 48amps and 36% at Tesla Superchargers. During the work week charge at 80% and then recharge at 15-20%. This is a daily occurrence. On weekends charge to 50%. Our MY is a 21 LR AWD.
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125K+ Miles on 2021 Model Y
- Thread starter CarPortal
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I figured it out. Will run it down to single digits and then do the test tonight. What do you mean it’s bad for the battery? Is the battery test bad for the battery?
I remember when our Model Y reached 100K miles and I made a post similar to yours quoting battery degradation stats from the Tesla Stats app. This forums Karen’s jumped down my throat admonishing me for spreading false information since only the official Tesla OS battery health test can tell you your batteries health. Whatever…I think all data and all info is useful for evaluating EV technology over the long term in real life.
I just did it 2 days ago…draining the battery to 0 is not good for it and neither is it good to go to 100. I was hoping that it would find some additional range calibrating but that didn’t happen. If you do the test, try to drive it ASAP so it doesn’t sit at 100%.
What is your year, model, and odometer miles? What were your results?
I just started the battery health test with battery at 7% so hopefully it’s done by midday tomorrow.
2021 Model Y Dual Motor with 150,842 miles.
2021 Model Y Dual Motor with 150,842 miles.
11/21 MY. Almost 91k. 85% health (whatever that means) but my degradation is 10%.
151K mile battery health test result is 86%. I assume that means degradation is 14%, correct?
Also since batteries don’t degrade in a linear fashion I’m guessing this Model Y’s battery will last well beyond 300K miles. Looking forward to finding out.
Also since batteries don’t degrade in a linear fashion I’m guessing this Model Y’s battery will last well beyond 300K miles. Looking forward to finding out.
@Jschoef How do you know yours has degraded 10%? Where can I find that info? The only data I’m receiving is 86% battery health.
By doing the math on what I’m getting for a full charge, 90% charge, 80% charge and 50% charge.
If you use the Tessie app it will provide battery health, degradation, capacity, max range, and charge cycles I charged to 50% last night because I am not working today and will be close to home. This morning readies are battery health 88.6%, degradation 11.4%, today's capacity 69.6 kWh, originally the capacity was 78.5kWh, max range is 289.5 mi. and I have used 497.6 charge cycles out of 1500. My mileage as of this morning is 101276. My max range, capacity, and degradation have all increased significantly May 1st. Degradation has done from 8.5% to 11.4% as of today.
All of this is based on info from the battery management system which may or may not have sufficient good data to work with. You'll see these numbers go up and down depending on your charging habits and usage. Today Tessie indicates my battery health is 90% (10% degradation) after 4 years and 48K but a few months ago it was 88.5%. So take all these numbers with a grain of salt, so to speak. Lot's of info on "range", "battery health" and the like if you search.
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