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2019 SR+ Battery Degradation Concerns

jc22zhao

Member
May 14, 2019
69
34
Toronto
Hi All, just wanted to get some opinions on whether I should be concerned with the range loss on my 2019 SR+.

Some specs:
2019 SR+ w/ FSD
Total driven: 63078km
Build: May 2019
Delivered: June 2019
Estimated range at purchase: 386km
Free supercharging: 7500km + 1500km (from referral), all used up

Outside of supercharging, I normally charge at home to 80% max in winter, and 70-75% in the summer.

I've done range tests the last 2 summers but have not done one this summer yet. My calculated full usable range was the following:
Aug 2019 - 368km (4.7% loss)
Aug 2020 - 373km (3.4% loss)

However, I noticed recently my estimated full charge range for the car has dropped significantly.
80% charge yields 280km (extrapolating means 350km) (9.3% loss)
On the tesla app, sliding the charge slider to full shows 349km. (9.6% loss)
My last full 100% charge stopped at 343km. (11.1% loss)

I did not drive any more than usual from my last range test to now. If anything, I've used much less supercharging than the first year. Is this ~10% loss in estimated range of concern? Tesla's new vehicle warranty applies for first 80000km and I'm starting to approach that.
 

MrSlippery

Member
May 26, 2021
69
36
Ontario, Canada
Approximately 10% loss over that period does not seem like a concern, if anything that appears pretty normal.

Also remember the battery warranty is 8yr/160K for your car I believe, unless that was different in 2019
 

Mikeydeek

Member
May 8, 2018
144
49
Ottawa
My 2019 SR+ with 22000km is now showing a range of 322km at 100% versus 386 when new.
Only done about 15 supercharges.
I did ask Tesla and they said it was fine and due to charging patterns and to not charge straight away and run down the charge too. Didn’t really work.
I also get some efficiencies over 100% on some trips!
 

MacNeil

Member
Apr 29, 2021
83
112
Kamloops BC
I can't comment directly on the SR+; we have a 2018 LR RWD with about 42,000 km. Presently 100% extrapolates to about 475 km. That is down from the original rating of 499 km (which supposedly got boosted to 525 km at some point). I sometimes say to others that the charger availability is increasing way faster than my battery is degrading. Not sure that makes me feel much better but that's all I can come up with.
 

McFlurri

Active Member
Apr 27, 2016
1,510
1,736
Kitchener, Ontario
2018 Model 3 LR RWD with 76000km. My 90% is now 407km down from 449km (465km when i got the range boost)

Max range displayed is 464km.

Only supercharged twice and that was about a month ago (picked up my car May 24th 2018)
 
  • Disagree
Reactions: qdeathstar

MD-2000

Member
May 1, 2019
610
416
Winnipeg
There are other threads about this... Essentially, the Tesla service guy said (and a more detailed post backs this up)
Leave your sitting vehicle *unplugged* at both high and low charge as often as possible. (run it down to 20% or so every so often and let it sit for a while -as long as you can - before plugging in) With power disconnected, it can do a more accurate assessment of high and low battery charge. Apparently the vehicle does random battery assessment tests every so often. There is no simple "how full am I?" indicator.

I used to plug in as soon as I got home, and then After 2 years, my LR AWD slowly went from 80% is 398km to 360km to 334km. I follow this advice now, and my 3 now charges somewhere between 375 and 394km from day to day. In summer I can go 2 or 3 days not charging. YMMV.
 

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