Ha, “Staties“. I’ve been in California so long I forgot the term. It’s Highway Patrol out here, Staties is such an East coast thing. Nice to be reminded!
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SgtPepper67
Member
I know it well - Ponch & John CHiPS!
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If you go over to the battery discussion forums you will find links to all sorts of battery studies that talk about how bad it is for a lithium ion battery to sit long term at 100% charge (or to discharge all the way to 0%). It is even worse to leave it at 100% charge in hot weather. There isn't anything different about Tesla batteries that makes charging to 100% worse than in other cars. If anything it is probably better because Tesla has really good battery cooling technology. I believe it is the sitting at 100% SOC more so than just charging to 100%. That is why some will wait and charge the final 10% up to 100% right before leaving on a long trip so that it doesn't sit at 100% for more than a few minutes.
How hard it is on the batteries in your particular car is probably going to be dependent on a lot of variables including how frequently you charge to 100%, the ambient temperature, how long it sits at 100%, the quality of your specific battery pack, etc. You may very well not notice any additional degradation.
I don't know if it still does this, as I haven't charged my M3P to 100% in a while, but back when I had my P100DL if I charged to 100% for more than 2 days in a row you would get a nag screen telling you not to continue charging to 100% every day. It wouldn't stop you, but you had to clear the nag screen every time if you kept charging to 100%.
LOL, there was like a 5 year period when I first moved to LA 17 years ago where about once a year or more I’d run into Eric Estrada somewhere. I’m nothing to do with Hollywood or anything of the nature, I’d just randomly run into him. He prob thought I was stalking him. Maybe he was stalking me.
ssv22
Member
I have. and maybe a couple others here but not enough. Fwiw, i took delivery on June 30
I’ve been doing 90% on all of my Ses over the years and I‘ve seen minimal impact on my range other than what is expected. My current one is well over 100k miles. I almost never take my car to 100% for long trips, though, so I expect that matters.
MFrunkerOG
Active Member
I do 85% but only charge when I drop to 30%. In my 7th year and the 240 rated miles is now 225..
for road trips, I also never charge to 100% but that’s because when I’m finally at the supercharger, it’s way faster charging from 10% to 80% than say from 25% to 90%. Little tricks you learn along the way
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MFrunkerOG
Active Member
You’re either a gloss person or you’re not! And by gloss I mean retinal searing shine with not a single swirl
Enuff to make me blush!
I'm very interested in this as well. Since I have a wait ahead, I might as well use the time to learn best practices for the car.
EDIT: Thanks for the insightful responses. I'm going to head over to the battery forum.
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sflgator
Active Member
So regarding the battery charging questions….
If you charge to 90% every day or every night, what does a MS Plaid (with 21” wheels) show for max battery range when you first get in the vehicle? 348mi or ~ 313mi? I guess not that it matters much but just curious, since everyone is saying that Tesla’s default charging is to 90% (and then assuming your wall connector charger turns off after it reaches 90% charging status).
With my I-Pace EV, my charger just turned itself off when it reached 100% and the vehicle’s brake regen didn’t kick on until it went below 100%…which was literally after the first few minutes of driving every morning. So this was no big deal and I got used to that.
If you charge to 90% every day or every night, what does a MS Plaid (with 21” wheels) show for max battery range when you first get in the vehicle? 348mi or ~ 313mi? I guess not that it matters much but just curious, since everyone is saying that Tesla’s default charging is to 90% (and then assuming your wall connector charger turns off after it reaches 90% charging status).
With my I-Pace EV, my charger just turned itself off when it reached 100% and the vehicle’s brake regen didn’t kick on until it went below 100%…which was literally after the first few minutes of driving every morning. So this was no big deal and I got used to that.
I believe the I-Pace was software adjusted to allow you to charge to 100% which will give roughly the rated mileage, but the battery itself has a good bit of built in headroom so you’re not actually maxing it out even though it shows “100%”.
In contrast to that logic, Tesla allows us to get much closer to the batteries true max; 100% is really close to the batteries actual capacity.
In contrast to that logic, Tesla allows us to get much closer to the batteries true max; 100% is really close to the batteries actual capacity.
Hoping white inteiors start to ramp up in Sept. There are a few out there in the wild. Last one I remember was @hotsoup with the couple of others around EOQ Q2 rush.
lolachampcar
Well-Known Member
Those with CAN Bus data can chime in with real world battery voltage curves.
I don't have my Plaid yet so I can't give you the specific number, but you have to charge all the way to 100% to see the full rated range. If you charge to 90% it will show 90% of the rated range. Most people don't drive that far every day and only need max range when going on a trip (and even then if you are going to be needing to supercharge on the trip anyway charging to max range initially isn't important as the car charges much faster at a lower SOC).
I personally have always followed Tesla's advice and plugged my car in anytime I'm not driving it if a charger is available regardless of the SOC, and I have it set to charge to 90% so it automatically cuts off when it gets to 90%.
Question is, who the hell needs a 90% charge each day on a car with a 375 mile range? Especially if you have a home charger. I'd go 75% for daily commute, 90% to start a road trip and never below 10%. A leading battery professor who has done work for Tesla stated that between 40-80% is where these batteries like to be for longevity.
Also, I challenge you to even notice. Probably won't until way past year 5.
lolachampcar
Well-Known Member
ever since this showed up
This has not seen the love.
it’s like when the Zero finally got good enough that the S1000RR got abandoned in the back of the hangar
Yes, that's right. I've always done 90% but the most range any of my cars has ever had up until now was just over 300 miles, so at 90% I typically started each day with around 265 - 275 miles of rated range which the way I drive is more like 180 - 200 miles of actual range. I like a cushion in case I need to run additional errands or something unexpected comes up, and my commute is ~30 miles each way. I do usually end the day at around a 40% - 50% SOC though.
boonedocks
MS LR Blk/Blk 19”
From a soon to be 5th time Tesla owner we have ALWAYS charged our cars to 90% daily and always keep our cars plugged in when at home.
Charging set to "departure time" so never starts until some time in the early early AM. My previous 3 Model S' had less than 3% degradation and one was as 2015 / 75k miles second at 2017 / 62k miles and my last at 2019 / 49k miles. Our current 2017 Model X 75D is only 4 miles short of delivery day 100%.
Some will say don't do 90% but Elon has said 90% several times in the past and I can confirm with a lot of experience that we have had less battery degradation than the norm so take that as you want.
I personally feel one of the biggest things you can do is just make sure you plug your car in as soon as you pull in your garage regardless when you have it set to charge. Several things happen, top off the 12v battery and fans cooling etc, that happen and you are never aware. Many years ago Tesla stated on their web site "A happy Tesla is a plugged in Tesla" or it might have been "A plugged in Tesla is a happy Tesla" but either way that's how we kept our cars since 2015.
DELIVERY for #5 MS LR BLK/BLK/19" is THIS Friday!!!!!
Bill Price
Active Member
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