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degradation

  1. G

    BMS Drift - does it really matter?

    So I have seen numerous posts about range decreasing and the wonky BMS, but no one has actually addressed the problem with that. Of course, that's assuming you don't have a faulty battery. I feel like in those cases you'd be able to tell pretty easily. Does having a BMS that's drifted cause...
  2. R

    294 miles on 100% charge - LR AWD

    I've had my Model Y for almost 3 months. I've taken a few trips and charged it to 100% a couple of times. It will only show 294 miles when charged to 100%. Does it sound like there is a problem, or is the display just not super accurate? I was hoping it would show 315 or 316, even though I...
  3. SomeJoe7777

    How I Recovered Half of my Battery's Lost Capacity

    Like many others, I have been concerned with loss of 100% indicated battery range on one of my Model 3s. My P3D (build date 9/13/2018, delivery date 10/8/2018) had gotten down to 270.3 miles at 100% charge on January 20, 2020, at about 30,700 miles, which is a loss of 40.8 miles since the car...
  4. T

    Acceptable Degradation?

    2017 Model S 75D (259 mile range) Has not been charging to capacity for a couple of years, expected. However mine has 33,532 miles and is showing a battery degradation of 10%. Avg 347 times 163 mile projected range, divided by 84% = 0.897793650793651 First is this correct n the calculation...
  5. D

    Software limited 60 batteries: degradation, upgrades and overall health

    I've got a 03/2017 manufactured Model S 60D. It has done over 89000 km and although I still love it, the battery has suffered some degradation. I thought that software limited 60 batteries had a set amount of kWhs nett and the degradation would just reduce the gross amount available from the...
  6. T

    Calculating battery degradation on buying used S 85

    Can anybody help me check the math on the following, Considering buying a nicely spec'ed RWD 2015 S 85, but wonder weather the battery was abused or not, - Car run 129,000 kms (80,000mi) since 2015 - In showroom currently showing 32% residual on battery - With 282w/km (454w/mi) , the car...
  7. Mikedrives

    Can I charge to 100% in this case and still have maximum battery life?

    I have been following the recommendation to only charge to 100% for trips, and to charge to the top of the daily driving range the rest of the time. But our Model 3 SR started life as a Model 3 SR+ and then took a software downgrade. I had them dial back the 20 miles of range and some AP...
  8. S

    How is charging 100% really hurt the battery?

    I just got notified by Tesla delivery team that my M3SR+ is arriving by the end of this month, and I am also booking their authorized tech to install the home charger at my office. I live in an apartment where I cannot install the charger, so I can only install it at work place. I have read a...
  9. B

    Battery Degradation Math

    I have a '16 MX 90D with just over 29k miles. It is my first Tesla and EV, and I got it used a couple of months back. I know that it is not a brand new car, and I have read alot about degradation and range. Most of the time I accept the fact that the rangd is not what it used to be. This...
  10. F

    Battery Degradation, cause for concern already?

    A little bit of background: I live in Maryland where we get legit four seasons I live in an apartment and I do NOT have access to charging at work or at home I have had the car since June 2019 Here is some information I sent to Tesla recently: I have under 5,000 miles on the car. In V9 I...
  11. J

    I must have a unicorn....

    All these posts about battery degradation for model 3s, have me convinced I must have a unicorn model 3P. I have mentioned several times that I dont have any "charging regimen" other than what is generally said in the manual and shown in the car: 1. I charge to 90% (the highest level that is...
  12. 9erDog

    Charging to 100%

    Just charged to 100% today and typically do it a couple of times a year. Made me wonder how often others are doing it. I’ve had the car since 6/3/2018 and driven 18.5k miles. Noticed about 1% battery degradation which isn’t bad at all. My signature has my configuration. Please respond to...
  13. D

    2015 Model S 90D battery degradation - ~ 20% (no new software related)

    I seem to have a battery issue. I recently purchased my 2015 Model S 90d from the NJ Tesla CPO (april 2019) with ~34,000 miles on it. Upon pickup the car was charged to ~80% and showed 205 mile range. I have 48,500 miles on it now, when I charge to 90% (81Kw) and drive to and from work...
  14. 1.21GW

    Lost range? Poll

    have you lost range on your model 3? Recently I noticed I was a 5-7 miles off of the equivalent full charge. Up until very recently, I had the ideal numbers for my LR dual motor 248 miles @ 80% and 279 @ 90%. Now I’m about 243-244 miles @ 80%. I know battery degradation is normal but...
  15. L

    110 mile range with 330wh/mile consumption!

    The real-world range on my 2014 60Kwh model S has degraded big time in the last few years, despite having driven only 35K miles, never supercharged and rarely charge to full. After my last 90% charge, I let it run down to almost empty with before and after pics. Right after charging, the dash...
  16. D

    is this normal

    Hi I have had my model 3 for the last two months, and noticed when I charge I dont get as much charged. for example when I charge to 90 percent I get only 209 mi, I believe b4 I used to get 216. I have the standard range plus . What should I do? is there a way to reset the calibration, should I...
  17. D

    Greater than normal battery degradation?

    I have a Nov/Dec 2017 Model S 75D with almost exactly 17,000 miles. I’ve noted that in the last 2,000 miles my 100% has dropped down to 242 miles from 253 (and 257 when new). This is more than 5% degradation. I’ve been keeping the batteries fairly well balanced due to needing to charge to 100%...
  18. B

    New battery charging tip from service center

    My S75RWD has been losing rated distance at a rate faster than expected, and it only started happening fairly recently. I'm down about 5-7% after 15,000 miles, which I know isn't totally out of the ordinary. But the odd thing, is that sometimes 90% will charge to 210 miles, other times it will...
  19. B

    Is my battery degrading faster than usual ?

    Hi All, I have a S75 that has about 14K miles on it and is about 11 months old.My avg wh/mile about 350 wh/mile. i love in San Francisco Bay Area and park my car in my garage. I have always followed Tesla’s charging recommendations: charge to 90% , after the commute (40 miles total) , plug it...
  20. R

    TeslaFi - Battery Degradation Reports (upload your data)

    I haven't seen any threads or spreadsheets tracking this for Model 3 yet. So here's mine: Please post with "High Range vs. Low Range" checked and included in the screenshot, as above. Is there a spreadsheet that Model S or Model X owners are using that we can use as a template? If you...
  21. N

    Am I experiencing degradation already?

    I picked up my MS 75D three weeks ago today. Charged it to 100% overnight as I’ve got a long trip today. When i woke up this morning the full charge is only 251 but I thought it should be 259. Car only has 1100 miles on it charged almost exclusively on 110 outlet for first week and then NEMA...
  22. David99

    accelerated degradation concern

    Thanks to Teslafi.com I have data from my car for the last 80k miles. A new feature they added recently is the 'battery report'. It shows the rated range over time thus giving you a great way to see your battery degradation. Here is a screen shot of my car. It's a 4 year old Model s 85 with...
  23. J

    Week old 75D lost 17miles projected range - Normal?

    Hi All, I’ve done a bit of research but can’t find anything about a car this new. I picked up my 75D less than a week ago, and on a 90% charged had projected range (the range displayed on my dash) of 241 miles. After a road trip to get tint/wrap (about 500 miles) and using Superchargers about...
  24. C

    Optimal battery management

    I bought my used S85 with the intention of having it for 15 or 20 years. That means that, while Tesla have done a good job at putting in systems to reduce battery degradation regardless of user habits, I am keen to do everything in my power to minimise the degradation. Am I right in thinking...
  25. C

    S85 range

    I have a used S85 made in 2014. I usually drive with the display showing battery %age rather than range. However I have noticed that since I got the car (August 2017) to now the range displayed under “typical” when fully charged has reduced from circa 240 miles to under 230... quite a lot of...
  26. H

    Degradation is happening too quickly

    Hello all, I have a Model S 90D that was shipped to me in December of 2017. At that point the range was sold to me and marketed as 296 miles and I would top off at either 296 or even 297 at times. Per everyone's suggestions, I would rarely charge it to 100% as to preserve the longevity of the...
  27. fasteddie7

    Anyone else think the quoted range is less than capacity?

    After watching the livestream and thinking about it, does anyone else think the quoted range is not at Max capacity? 85 or 90% perhaps? Considering there is no badging and it seems they are marketing this vehicle to folks who might not be like a lot of us and examine every detail of the battery...
  28. Peteybabes

    Proud to say I take care of my battery pretty well! :D

    Battery Degradation what!? now before y'all pounce on me, i realize my miles are low, but i would like to try to get a new thread started for Model X owners to have a place to officially post their findings. Below are photos showing my car charged to 100% this morning before i head to...
  29. L

    What is your battery capacity 1 yr out?

    I took delivery of my 90D model X in early May 2016. I did a full charge before my last road trip and the range maxed out at 243. This is greater than the 3% degradation I was expecting. Anyone else have a similar experience?
  30. ForeverFree

    Pleasant Range/DegradationSurprise -- Summer Rally

    Last spring, as my 85D turned one year old, I was slightly disappointed to see degradation appear to accelerate, with displayed range falling almost daily. 90%, which had originally been 243-245, fell to 233 or 234, with 100% barely eking past 260. Roughly 3.5% degradation in the first year...
  31. M

    Model S battery degradation should stay under 10% on Tesla's warranty

    Curious to hear what others are reporting and if this analysis is holding up. Tesla Updates: Tesla Model S battery degradation should remain under 10% on Tesla's 8yr warranty It seems like battery cells' degradation slows down the older they get. Balancing the battery pack is important to...
  32. S

    Calculating Battery Capacity / Degradation

    mod note:title changed from '15% battery degradation after 42k miles' as it seems to be a misunderstand of how to calculate battery degradation I have never given it much thought about my battery life. I figured that since I've only gone through 130, or so, cycles of my battery, I figured my...
  33. David99

    2.75% degradation after 30k miles

    As I wrote many times, using the rated range as a method to determine battery degradation is not an accurate way, IMHO. The standard method to measure battery capacity is to fully charge it, then fully discharge it (within healthy limits). When my 85 was new I did exactly that on a long trip...

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