Initial Battery stats for my 2023 Tesla Model Y RWD with 60kWh LFP battery
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- เผยแพร่เมื่อ 23 ต.ค. 2023
- Hi Guys,
I've been trying to get this one done for a while. I had to give myself a break from editing for various reasons. Trying to work through the backlog and thought this would be a good one to upload next. SOme of you may be wondering what your battery capacity was when your Model 3 or Y was new. This video is about the 60kWh LFP fitted to my 2023 Tesla Model Y RWD. This is supplied to Tesla by CATL and has prismatic cell design. It's also the same battery used in the RWD Model 3 since around the beginning of 2022. This video is a rundown on the bahaviour i have seen from the battery since new and where it is at now almost 2 months later.
No chapters just 23mins of nerdy battery stats.
#teslamodel3 #teslamodely #ev #accessories #electricvehicle #teslainc #car #notinthemanual #teslaaccessories #lfp #lfpbattery
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I love what you're doing for the EV community here in Australia. Let's work on the next video together.
100%. My videos and editing have a lot of room for improvement 😂 I’d love to learn from you. We would make a great team!
that is a good battery. My 2022 M3 one year after, 43K km still takes 58kwh from 0% to 100%. I don't charge it 100% each day everyday too. Twice a week or so and try to give it a slower speed of charge, normally 20-24kw down from the max available of 32kw. I am impressed with the result - it takes the same 58kwh form 0% as new year after and 43k km.
Sounds like you’ve looked after it. Thanks for the feedback on your experience. That’s good advice.
Nice detailed explanation! My MY RWD is exactly the same age as yours and has exactly the same about of k's on it too LOL. So it's good to know what I can expect my battery stats to be. I mostly charge on slow AC chargers (only charged on fast DC chargers about 5 times) as well either at home or at work. I don't think I've ever gone below 50% SOC either - do you recommend driving to a lower state (eg. 20%) at all to help with the BMS cell calibration? I heard this is recommended with the BYD Atto 3 as it has the same LFP battery. Oh and good to see you've got your MTB in the back - god I miss mine!! :-)
Haha I was interested to see if anyone would notice the bike! Yes. It’s definitely good to fully cycle the battery every now and then. It will help keep the BMS stats accurate. Don’t be too concerned though. The LFP chemistry is robust.
Yes the LFP BMS is all about charging to 100% on a regular basis. I just returned home from 6 weeks travelling for work and during that time the car mostly sat idle at 30-60%, my wife charged it to 60 or 70% a few times. I have noticed the indicated range has dropped quite a bit, presumably because the buffer has increased. This car really doesn’t like not being charged!
Yes that’s correct. It will increase the buffer as the accuracy decreases as a safety measure.
Really usefull information Matt! I have the same MY RWD china build with the 60 kWh Catl lfp battery. Just share some information, as I installed Scan My Tesla 3 weeks ago as I was interested in the degradation. Rated range (19") from new was 418 km. That figure stayed the same during the first 6 months. (12000 km from April - september 2023) Than it went down to 416 in october. It stayed at 414-415 until december. Than, after I parked it 7 weeks (middle of december 2023 until beginning of februari 2024) at the airport (SOC 75% at the start, 60% at the end of that period, ambient temperature 5-15 degr.C, Amsterdam) the range at 100% suddenly had dropped to 408 km. (16000 km on the odometer) (I had done a supercharge session just before I parked it) I was under the impression that at low temps and SOC < 80% there would be minimal degradation so i was a bit surprised. Thereafter I did maybe 2 slow charges at home to 100% and it went up a bit to 410 km. Then again a few supercharge sessions (never higher than 80-85%) and it went down to 407 km at 100%. I tried again a slow charge to 100% but it even went a bit lower and is now at 402-403 km. last week I checked with Scan my tesla 1 hour after slow charging finished (to allow time for balancing?) and it shows: 101% SOC, "full pack when new" 60.5 kWh. nominal remaining 57.5 kWh. voltage 367 V, cell volt max 3.464, cell volt min 3.366 (imbalance 98 mV), usable remaining 55.2 kWh, nominal remaining 57.7 kWh. So it looks like there is already 2.8 kWh lost (4.6% degradation) For your information, I have 40% fast charge and 60% slow charge (at home, 3-5 kW) and 90% of the time I keep the SOC between 50-60%. That degradation number seems very high after just 1 year and, at this moment, 19000 km. Do you think this really is degradation? Or has the BMS lost track? Should I charge more often to 100% even if I just drive 30-50 km and park it at home at 90% SOC? (Sorry for the long tread)
Hi. My Model Y is now 8 months old and has almost 16000km. At 100% SOC when new I had 435km (Europe uses 418km). Now I have 426km. This is 2% degradation using this method. If I use ScanMyTesla I have 60.5kWh when new and 58.9kWh nominal full now. This is 2.68% deg and a 1.6kWh difference. My opinion is 1kWh of this loss is due to settling of the cells to their settled initial capacity. So my average degradation would be more like 1.6%. In the Tessie app I show a degradation of 1.5% which is close to my estimate of 1.6%. Your 4.6% still seems a little high but LFP batteries do degrade faster in the beginning of their life. I think if you are not charging to 100% 1-2 times a week then the BMS can become slightly confused. It is good to discharge down to 10% every now and then before topping up to 100% as this gives the BMS a chance to properly see the capacity of the battery. Some cell balancing is done when fully charged to. you will see that there is a large cell imbalance reading just as the battery reaches 100% along with a much higher total voltage (I think this is where the 101% figure comes from. The cells with higher voltage are bled down slowly using the DC-DC converter (my theory) and you will see both the total voltage and cell imbalance settle down over an hour or so. LFP batteries need to do this more often than other chemistries for SOC and capacity accuracy. I suggest cycling the battery down to 10-15% and leaving it charge until it reaches 100%. Repeat this a couple of times and see if there is improvement. My range at 100% was below 420km but came back up to 426km.
I mostly charge 1-2 times a week and leave it on charge until it hits 100%. I try not to plug my car in until it drops to 20%. It just depends on how much driving I need to do. Another thing to remember is that it isn’t just fast charging that degrades a battery but also fast discharging (your driving style).
Thanks for the answer!
I forgot to mention i'm a slow driver, 133 Wh/km average consumption. So maybe it's the supercharging that caused some degradation combined with not enough charging to 100% (once in 2-4 weeks)
@@pekarchobbies9940 That’s good economy. I have a heavy right foot and my lifetime consumption is 144Wh/km. I have done some towing though which pushes the average up. I think you should find an improvement in the battery capacity if you full cycle the battery a few times. Let me know how it goes. Try letting the battery rest for an hour or so at the low SOC before charging too. I am going to do this next week too.
Another excellent and informative video. Thanks for that.
As a retiree I don’t use my MYRWD as much as I would have had I been working. As such I too only charge about twice a week. I was wondering if that was a reasonable regimen to adopt. Thanks for your confirmation on that. The other question I had was regards to what I should do regarding changing when I am away for extended periods such as an overseas trip for a month. Any suggestions? Thanks again.
Cheers Chris. Yes charging twice a week sounds fine to me. It’s also fine if you needed to charge to 100% everyday to have capacity for longer commutes. The LFP chemistry is robust and gives you the freedom to use a charging routine that suits your needs without being overly concerned with degradation. I recommend sticking to the Tesla rule book on this and charge to 100% at least once a week and let the car have some periods of sleep without sentry mode running. In regards to travelling I made a video on phantom drain when I went overseas for a couple of weeks. Just turn off sentry mode and cabin overheat protection before you leave or via the app if you forget. From memory it was less than 0.5% battery charge loss each week. Also check that any third party apps like TeslaFi are set not to pill your car for info too often.
@@notinthemanual thanks mate, appreciate the reply. I currently have the car in my garage without overheat protection on and sentry mode not active at home and it still drains the battery appropriately 1% every 2 days. I’m a tad concerned about leaving it not plugged for 4 to 5 weeks.
I visited my family in NZ from the UK last December I left the car M3 SR+LFP at about 85% charge, it was snowing regularly and pretty low temperatures the entire 3-4 weeks i was away. I did not check my app when i was away because i am aware that “waking the car up wastes battery” so i did return to my car which had a few cm in snow on the roof with some trepidation. I tried to open the car nothing….then checked and saw that the phone key was showing disconnected i used my card key and car opened and i lost about 10% battery at the most. In view of that i have left the car a few times for weeks on end with no issues at all. I don’t have sentry or any monitoring devices within vehicle which i think does prevent any phantom drain.
@@leejonesNPT Thanks for that info and reassurance.
@@ozsimflyer You can use the energy app built into the car to view what is draining the battery while parked. Might be worth checking but I think you will be fine. Over a longer period I doubt it will be 1% every 2 days. Worst case you can just leave it plugged into 240v. Won’t hurt it.
When you say a couple of full discharges in the first few weeks. What do you recommend... Take it down to below 10% and then recharge it a few times?
Yes. That’s right. Take it down to around 10% let it sit an hour or so at that SOC then charge it back to 100%. This just gives the BMS a good chance to see the capacity of the battery and calibrate. Your capacity at 100% is always going to fluctuate slightly.
Great info Matt
Cheers Max. How’s your Y going?
@@notinthemanual All good,but on topic mine states 422 on screen but always have it on percentage, that's after as you know 14 months of ownership.With the price of fuel/petroleum and my costs pretty much zero I can live with the battery degradation
@@maxgill5620 Yeah leave it on percentage. What was yours to begin with?
Should remember but I think it was 438, but not confident due to my memory loss 😢
@@maxgill5620 That could be right even though it is close to mine with 20” wheels. I think Tesla increased the range prediction slightly on the 2023 model Y.
I do dc fast charging at 20kw using Jolt because I don't have a home charger. I've been doing that for about 3 or so months now. Will that be having a big impact on battery health?
No. That’s fine. I wouldn’t class that as fast charging. Up to 1C would be fine on a regular basis. C-rating is basically the kW needed to charge the battery in 1hr. 60kWh takes 1hr to charge at 60kW. You are much less than that. This is why bigger batteries can charge faster. Well that’s the simplified version.
The only problem with those slow “fast” chargers is the car can’t differentiate between that and a DC charger that actually is fast. So the car draws 3-7kw heating the battery when it isn’t necessary. I avoid those at all costs now, you’re better off going to a 22kw type 2 charger (which will only draw 11kw).
@@aviationboy8 If you have s3xy buttons and have been driving for a while then you can precon a little to top up close to 40deg if it’s your only option. I avoid them too but last time I charged on a 50kW I got 48kW so wasn’t too bad. My battery was at 35deg. Tesla were supposed to have fixed this but never did.
@@notinthemanual the 50kw ones are ok, I use them occasionally. The ones to avoid are the 20-30kw ones. I didn't know about the s3xy buttons, I don't have them :)
I do wonder when Tesla will ever get around to fixing this issue.
@@aviationboy8 I thought it might have been fixed by now. Seems like it would be an easy software fix. Unless the battery is super cold that speed isn’t going to hurt it. I haven’t used one of those chargers for a long time. I try and leave them for guys like @thesamuelnam that can’t charge at home or work. They are still faster than 11kW I guess over the whole charging session. The Jolt ones here in Sydney are a good concept where existing infrastructure is taken advantage of.
normal battery buffer is around 2,5 - 2,7 kWh. I have a Y rwd with 16000 km with 40% fastcharging. I never got more then 418 km with the 19 inch wheels. I keep an eye on the battery buffer to know when to charge to 100%.
Thanks Frank. Is that the range at 100% or the actual best driving range you have got?
@@notinthemanual 418 km is the displayed range at 100% SoC. I do a lot of highway driving and went on a few long road trips this summer, range is around 300 km at highway speeds (110-120km/h). My average consumption over 16000km is 160wH/km
@@FrankNolf 418km seems a little low for 19” do you remember what range your car displayed at 100% when new? I think maybe the displayed range for 2022 RWD and the 2023 RWD is different from feedback I have seen. When I test drove the Y the older test drive Y had a higher rated consumption figure. Looks like my consumption with 20” is pretty good. My freeway driving has all been with an empty car though.
@@notinthemanual it was 418, my brother also has a Y rwd and his is also 418. That's why i am surprised why yours is showwing much higher with bigger wheels. From what I can read in the belgian and Dutch Tesla forums and Reddit this 418 km figure comes back all the time.
@@FrankNolf Strange. Do you think yours has the BYD blade battery? They are slightly lower capacity. If you have ScanMyTesla you will see full pack when new figure. If same capacity as mine 60.5kWh maybe they have made Tesla show a more realistic range display.
hello can you confirm if the US model Y RWD has an LFP pack ?
There are mixed reports but it looks like it does have an LFP pack same as Tesla did with the RWD 3 built in Fremont with the imported LFP from CATL. I’m not 100% on this though. Range estimates of 418km match up with LFP RWD Y being sold into Europe from Shanghai. My car has a range figure of 435km because the cars sold here use a different estimated range standard test. The only way to be sure would be to look at vehicle specs in car or decode a VIN. It would make sense for Tesla to use the cheaper LFP pack. It makes sense why the AWD base model with 4680 cells has been dropped by Tesla. I guess this frees up 4680 cell production for Cybertruck.
my model yp is couple of months old and has 2900km on odometer, but it shows 472km range at 100% soc (236km@50% soc), instead of 514km should I be worried?
When Im not driving it, I keep it at 50%soc, otherwise charge it up to 70%, charged it fully only once so far.
I wouldn’t be worried but if you are concerned I’d charge to 100% to check. Probably not that accurate estimating from 50%. Where is the 514km figure from?
The range at 100% can vary depending on country. The same car as mine in Europe only shows 418km instead of 435km.
I charget it to 100% only once so far and it was showing 474km range. 514 range is offical data from Teslas website, located in eu as well. Its model y performance.
Didnt check the range when new, as i always kept it to show %… does setting it to winter tires affect range showed?
@@susniand I am not sure about winter tyre setting as I don’t use them here. I know for the RWD it shows same range at 100% no matter what wheel size even though efficiency is different.
Hey,Can we Collaborate on Tesla accessories review about your TH-cam?
Hi. I replied to your DM.