Tesla Model Y vs Model 3 LFP Battery Degradation after 43,000 Miles

A common question about Tesla's is how much has the battery degraded and in this video I give you my best possible answer with a Model Y Long Range and a standard range Model 3.

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[Charlesbjtown]

I hate these stupid ads with a passion. Having YouTube premium, used to be a good workaround. But now these people just do the ad themselves. Good thing we are able to fast forward.

[loganrossignol]

I have somewhat similar degredation on my 2018 LR RWD Model 3, around the same miles too. It actually improved a bit after doing some longer road trips and changing up the charging %. Now I'm at ~10% degredation again

[rickosher]

To find the real battery degradation lick the terminals of the tesla and that will likely tell you

[maestroRodskjaer]

I Supercharge my MS P85 from 2014 three times a week, and done so for 8 years. Almost never charge at home. My degradation is at 9.9%. I usually charge to 80% and never keep my car less than 10%. So Supercharger doesn't do any harm to the battery is my experience. But what could harm is charging to full often on a lithium ion batteries. Haven't tried LFP before, but I'll get it in my new Xpeng G9 later this year.

[davidroberts]

Tesla recommends charging to 100% occasionally for calibration because the charge curve is so flat.

Charging to 100% is not good for an LFP battery. Short charging cycles near 100, e.g 80-100, is the worst thing you can do for LFP. It's better to drain the battery further.

There is a recent study that clarified this.

The bigger question is. What is the impact of charging suboptimaly. I don't have the answer.

[Kristoffer_]

Looking at the screen is not a degradation test

[basic]

Y’all crazy!! Use voice command in Tesla “show me battery degradation” and you will get the chart 😂

[conorpp]

LFP batteries do suffer from degradation from being charged to 100% just like all other Tesla batteries. The reason that Tesla ask owners to do this is because the power discharge curve of LFP batteries is different from Li batteries. Tesla software require a full charge of a LFP battery in order to calibrate the software to accurately estimate the range. Without this calibration, the sofware might tell you that you have 100 miles left when in reality, you might only have 20 mile range left. However, LFP batteries tend to have a longer life than Li batteries, so the degradation of charging to 100% is less of an issue.

[lgze]

Hey always enjoy your videos.. I have a June 2021 Model YLR with 49K miles. (I drive a lot) according to the Tessie App, battery health is 90.7% degradation of 9.3%.. thing of note, I don’t have home charging so I mostly supercharge.

[laloajuria]

3:10 lifecycle increase is just from chemistry. voltage doesnt play a role.

[deletedsmith]

My model Y performance is down to a max range of 269 miles if I went to 100% charge. I charge to 80% or 90% at home. 13k on the clock and its 1.5 years into a 3 year lease. Glad I leased is all I can say. I don't care how anyone try's to justify it, as a paying customer the fact I lost 30 miles is not making me happy. Sometimes you just need range and the fact I am losing range is unacceptable. I look forward to better tech as battery's change chemistry and EV's evolve. I wont buy another EV unless it gets over 400 miles usable range. When I run the highway I have to stop and charge around 220-230 miles into the trip. Driving at 80 ( you need to where I live or a semi will run you over ) just kills the battery too fast. Turn on the headlights at night or run the AC pulls the battery down faster too. So after living with this car I must say I love it for an around town car. For a highway car I love it less but that is because it needs to hold more power. It's faster than my 2015 Stingray and pulls so hard at launch it smokes almost every car out there unless its another performance EV. Thanks for sharing your thoughts in the video. I thought it was very helpful.

[parkermark]

Li batteries tend to be best kept below 80% and above 20%… so for your model Y, I would drop your charging to 80% max unless you have a long commute or trip planned.
LFP is correct- they prefer 100% charge.

[ro]

Hmm question.. so say u charge to 90% and drive all day and your battery is at 75% by the end of the day.. Do you still plug at night??

[ibsn]

Brand new it had 253 miles range…. Since when did anyone base degradation from a range estimate? That’s like benchmarking a new ICE car off the stated fuel economy. Cars never meet their initial purchase estimates once you get into real world driving.

[GameOver]

My old SR+ on NCA batteries had lost 4.5% after 2 years and 3 5000 miles. Pretty happy with that. Hope my present longrange will be in the same range of degradation

[sesamesprinkles]

So you still have about 60, 000 to degrade the battery low enough to get it replaced thru warranty right? 👀

[dennispiche]

Hey Bud - did you happen to pre-tape this? I think I saw your Y in Michigan... or maybe a copy cat. Pink Y on i75 near Detroit.

[tideloohamar]

This video could’ve literally been summarized in a tweet

[chadwickwood]

Please, more ads. If the majority of your video time is not in an ad, you are doing it wrong.