[Bobdniro]

I'm currently out of the UK, I'm due to return at the end of the month.

My model 3 long range, parked on the drive in the UK, is currently showing 27 miles/8% soc on the app, so it seems touch and go whether it will be at zero soc upon my return home.

I havent ever charged from zero soc so my concern is whether there will be any detrimental consequences to the battery dropping to zero? (Other than having to charge it up again).

I'm open to advice regarding charging from zero, any particular procedure etc, is welcomed.

 

[DanPaul]

If you'll be back in 2 weeks and you stay off the Tesla app, it should barely lose any charge at all.

I parked mine in my garage on 48%, not plugged in, last Tuesday (7th) and subsequently injured my foot and have been unable to drive, I got in my car today and it was still at 48%

 

[h8ten]

Can you ask a friend/neighbour to plug the car in? You can coordinate opening the flap when they are able to plug the car in.

 

[wyx087]

Stay off the app is the best approach. I've left the car for 2 weeks in a car park and it only dropped 1%, didn't open the app a single time.

If you come back and it's 0%. You'll need to be prepared that it's completely dead and wouldn't respond to door handles. Use a 9v battery on the front tow eyelet opening to pop the bonnet. "jump" the 12v battery using some sort of powerbank, once it has booted up, open the charge flap. Plug in and start charging immediately until a few % is in the battery.

 

[Briggo]

And this kids, is why you leave your car plugged in while away for a long time but charge to a SoC of the recommended amount or below.

No worries, no dramas then.

 

[Xinix]

Just out of curiosity: what was the SoC when you left it?

And to answer the question: lithium batteries definitely don't like sitting at low SoC for a prolonged period of time. So I second the suggestion to ask a neighbour to plug it in and then remotely set it to charge to 60%.

 

[donald]

I'm currently out of the UK, I'm due to return at the end of the month.

My model 3 long range, parked on the drive in the UK, is currently showing 27 miles/8% soc on the app, so it seems touch and go whether it will be at zero soc upon my return home.

I havent ever charged from zero soc so my concern is whether there will be any detrimental consequences to the battery dropping to zero? (Other than having to charge it up again).

I'm open to advice regarding charging from zero, any particular procedure etc, is welcomed.

It's not a great idea to leave it anywhere near 0%. Best to leave a BEV at around 50% if you are going away.

But it is what it is, and it is designed to live with that. Do it the once, now, and not again and you'll never notice.

Keep doing it and you might see problems later.

But for now, 2 weeks and 8%, should be fine, don't sweat it. There will be plenty of other BEVs out there that have been treated a lot worse and never had problems from it.

 

[Odinias]

Like others have said, it's unlikely to drop to 0% in two weeks unless you have sentry mode on, which I don't think is possible when it's below 20% anyway?

I have the exact same experience as everyone else here: left mine for a week and the state of charge only dropped by 1%. The trick is to let the car sleep and not to wake it up by opening the app.

 

[Electric Jamie]

I think the balance of these comments is more worried than we need to be. My guess is you come back to find it lost 0% or 1%. I've seen numerous times people commented they lost nothing after leaving a car sitting for weeks. I can't remember ever hearing any where a lot was lost. Probably worrying too much.

In an absolutely ideal world 30%-60% is a good charge level to leave a car sat for weeks but don't over think it.

Just have fun doing what you are doing and forget about it.

 

[Electric Jamie]

I'm currently out of the UK, I'm due to return at the end of the month.

My model 3 long range, parked on the drive in the UK, is currently showing 27 miles/8% soc on the app, so it seems touch and go whether it will be at zero soc upon my return home.

Was it a higher % when you left ?

 

[Briggo]

My guess is you come back to find it lost 0% or 1%

Teslas typically are still quite active even when just sitting there, sending and receiving data all the time. Theres lots of real time functions going on all the time.

My ID4 can sit for days and not use a single percentage of capacity, the Tesla can lose several percent over the same period even without the larger draining functions like sentry turned on.

 

[wyx087]

May be third party apps that are waking up the car?
Have OP (and @Briggo) signed up to any services like Tessie, Octopus Intelligent, etc?

I have TeslaMate and Home Assistant connected to my Tesla, both are very good at not waking up the car. The car is also parked directly in front of my study window, so when I'm working at home, I can hear the HV contacts "clunk" when it wakes up or goes to sleep. According to my ears and logging of HA, my Tesla does not wake up unless I open the app. Thus its drain is minimum and can go on for weeks only loosing 1%.

 

[Briggo]

No, I don't use any 3rd party apps or IO with Octopus.

I'm not saying the usage is drastic but the Tesla uses more battery just sitting there over time than the VW does.

 

[phproxy]

Like others have said, it's unlikely to drop to 0% in two weeks unless you have sentry mode on, which I don't think is possible when it's below 20% anyway?

I have the exact same experience as everyone else here: left mine for a week and the state of charge only dropped by 1%. The trick is to let the car sleep and not to wake it up by opening the app.

Ye sentry will disable itself below 20%

Don't touch the app and it'll be fine/go to 'sleep'

 

[Bobdniro]

If you'll be back in 2 weeks and you stay off the Tesla app, it should barely lose any charge at all.

I parked mine in my garage on 48%, not plugged in, last Tuesday (7th) and subsequently injured my foot and have been unable to drive, I got in my car today and it was still at 48%

Well, I have been monitoring it over the last few days. the app was showing 25 mile range on 16th March at 23:33 hrs, right now (17th March) it is showing 22 mile range as of 6 hr 10 min ago, so if it continues to discharge liniarly it will indeed be at zero upon my return in 14 days time.

Can you ask a friend/neighbour to plug the car in? You can coordinate opening the flap when they are able to plug the car in.

That isn't an option as there is no charging point at the property.

If you come back and it's 0%. You'll need to be prepared that it's completely dead and wouldn't respond to door handles.

I was under the impression that the door locks are operated by the 12v circuit/battery and therefore would be unaffected. is this not correct?

And this kids, is why you leave your car plugged in while away for a long time but charge to a SoC of the recommended amount or below.

No worries, no dramas then.

There is no charging point available, so no can do.

Just out of curiosity: what was the SoC when you left it?

So I second the suggestion to ask a neighbour to plug it in and then remotely set it to charge to 60%.

I cant recall the SoC when I leftiti think at least 20% as i don't let it get below this.

As mentioned above, there is no charge point at the property

Was it a higher % when you left ?

Yes, it was higher when i left over a month ago, likely above 20% as i dont allow it to fall below this.

May be third party apps that are waking up the car?

Have OP (and @Briggo) signed up for any services like Tessie, Octopus Intelligent, etc?

No, I don't have either of those services.


....as mentioned above, it has lost 3 miles range in less than 24 hrs, with 14 days to run before my return home, I'm pretty much resigned now to returning to a zero % battery SoC.

My concern is what the consequences will be based on the increasing frequency of notifications I'm receiving from the Tesla app...

 

[Briggo]

There is no charging point available, so no can do.

Well charging from zero is only part of your problem then, the other is to get to a charger.

Got breakdown cover that provides a charge when you've run out?

Unless you intend to trickle on a 3 pin?

 

[Paulo]

Can you ask a trusted friend to drive your car and charge it at the nearest charger? You would remote start your car for them to drive.

 

[wyx087]

I was under the impression that the door locks are operated by the 12v circuit/battery and therefore would be unaffected. is this not correct?

If HV battery is out of juice and the computer doesn't shutdown, the continued drain on the 12v could also completely empty the 12v, causing nothing to work. You'd then have to do as per the video I posted.

Ask your neighbour to trickle charge via their electricity? The Tesla 3 pin charge kit should be in the car somewhere. Then you pay them back plus wine.

3 miles a day is more than 1% a day, that's very high.

 

[raspy]

Like others have said, it's unlikely to drop to 0% in two weeks unless you have sentry mode on, which I don't think is possible when it's below 20% anyway?

I have the exact same experience as everyone else here: left mine for a week and the state of charge only dropped by 1%. The trick is to let the car sleep and not to wake it up by opening the app.

@Odinias Interesting to hear your recommendation for the OP. I have a BMW iX and no matter how many times I open the app in a day, it doesn't impact the SoC. I guess different cars have different ways of working.

 

[Odinias]

@Odinias Interesting to hear your recommendation for the OP. I have a BMW iX and no matter how many times I open the app in a day, it doesn't impact the SoC. I guess different cars have different ways of working.

Yeah I'm not familiar with how the BMW iX hardware works, but Teslas draw quite a bit of power when awake. Not entirely sure how much but have heard some people say about 200watts. Perhaps someone can confirm?

Every time you open the app, it wakes the car up and it takes about 10 minutes for it to sleep again.