How I Keep My Tesla Battery Healthy Without a Home Charger

I've been asked how I'm able to keep my Tesla Model 3 battery healthy after 5 years of supercharging after releasing my 5-year ownership review video. In this video I share my charging habits and what not to do for those who cannot install a home charger and have to rely on supercharging.

00:00 Intro
01:05 How battery degradation is calculated
03:43 Always be charging?
04:23 Tip 1
06:43 Tip 2
07:34 What NOT to do!

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#tesla #teslamodel3 #model3

[dyhppyx]

This is really interesting Joy. Bjorn in Norway recently tested a 2021 long range 3 used as a taxi mostly supercharged. He found 15% degredation at only 50k miles. He theorized that maybe the driver charged to 100 and allowed it to sit there. It's kinda crazy to me that we don't have some authority scientist from Tesla that can explain what is exactly happening to the batteries. But I think you are right. Conclusions are supercharging is totally ok. Deep charge cycles are good for the bms to reset. Sitting at full or empty not good unless it's an lfp battery. I personally love going deep to 2% or less and watching the supercharger fill it up super fast. Can't wait to see your degredation after the next 50k miles. Update from me, I'm at 165k miles. Battery still seems ok to me.

[danhoyles]

This is good tip. I just recently got Model 3 and do not have home charging. Will be 95% Supercharging mine.👍

[tmajek]

There are a few good lecture series out there on YouTube speaking to what causes lithium based battery degradation. Charging and discharging these batteries is a benign process and causes no harm. Whether at home or at supercharger. The damage occurs when the battery sits for many hours at either a very high or very low state of charge (say 5% or 95% charge). This causes build up between the surface and electrolyte and quickly reduces battery life. So if you charge at home to even 80% but leave it sitting there like that for days before you drive, no good. Same if you supercharge it to 100% and then leave it overnight before going on that road trip. If you need to leave your Tesla parked for long periods of time do so at close to 50% charge or near there for least degradation. At least that’s what I learned from the lectures. Best of luck everyone!

[glammom]

i just bought my Model Y 2 weeks ago and i found this info helpful. thank you😁

[easternpa]

So great to see someone else living a similar "charging life" to mine. I work from home and can't install a charger. I typically spend half an hour at the local supercharger on Saturday or Sunday mornings. I'll charge to 93 and run some errands so that I get home in the high 80s. I'm happy with my situation, although it would not be sustainable if I had a daily commute.

[mattheww]

2018 M3 LR RWD 18" aero
131, 000 miles
6~7% battery degradation
293 mi now was 310 mi new
PNW driveway never garage, ambient temps 35 degrees to 70 degrees
120 V 12 A home charge
~ 100+ SC sessions per year

[sibere]

I believe "low" means 10% or below. 20% is fine. Remember that it's the displayed %, not the actual which is a few % higher (bottom buffer).

[chriscovella]

Spectacular statistics. Appreciate all the info. The weather, charging and driving habits for different people in different areas are almost uncountable. Generally speaking it’s clear Tesla bms is superior to other EV’s. I’m currently trying to talk my daughter into a Tesla, giving her as much info as possible. I’m a current MY owner (7 months) completely convinced!

[BrianPankey]

I have ~130k miles (2019 LR RWD) and about 10% degradation. Never babied charging the car at all. 58% level 2 charging, 42% supercharging. as long as it can make it from one v3 charger to the next thats all I care about. Although once I hit 100k, the 3kwh bottom buffer is no longer usable so at ~3% my car straight up drops dead

[bluesky]

Thanks for sharing. I just got a model y 2 months a ago. I think less charging is better. I will stick with your advice 20% -90%

[lazziebardakos]

Great advice based on personal experience. I honestly think that for 95% of the people/cars the battery will outlast the car doing normal driving in a place that doesn't freeze in winter or experience months of heat waves in summer.

[maselnuss.]

It’s not about at which SoC you‘re charging, it‘s about the amount of cycles. So it doesn‘t matter charging two times from 50 to 80 or one time from 20 to 80 because you charged in both cases 60 percent in total. The fact that you shall not charge over 90% or let the battery drain under 5%, 10% or so is true (except LFP maybe).

[jordanbutcher]

Thanks for the info! i am getting one soon and wont be able oto charge at home. this is refreshing to hear

[tonyfrese]

This was super helpful! Makes me feel much better about potentially purchasing a Tesla with only 120v charging at home knowing I would have to Supercharge a vast majority of the time.

[djdeibys]

Hi Recently, I acquired a new Tesla Model Y 2025 Long Range Dual Motor AWD and I appreciate your recommendations and advice on charging since I do not own a house and must utilize supercharging stations, this is my second charge, and I completed it between 20% and 80%. I would like to express my gratitude for your video. I found it to be very informative and valuable.

[WarGamersChannel]

Thank you for the video. I also live in an apartment and want to buy a Tesla and charging it is something that has had me worried. Great video.

[yskwong]

Daily plugged in charged up to 70% on my Ioniq 5
Daily commute average down to 52-55%, so I top up 15-18% daily, always plugged. Only DC charged 4 times total. Charged up to 100% only 6 times, and twice, was at Hyundai SC for calibration and measurements.

18 months, 37k km, 0.1% degradation according to Hyundai.

[o]

so, what good is always be charging, if I should be running down the battery to 20%, then up to 90%??

[Rgdonaire_]

I’m skeptical of this but nice that you have only 2% degradation. This is one of these subjects where everyone seems to have an advice. I charge for my daily commute at home, but I never let it drop below 40%. I may try to get to 20%.

[mainpilot]

I keep my Battery between 70-90% to take advantage of limited free charging at a level 2 charger. I only run Battery to 20% on a road trip. I will keep an eye on Battery health.