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Extended charging

medphys

Member
Jun 23, 2016
54
6
Chesapeake Va
Hi all,

How long should you leave your Tesla plugged in? Going on a trip for a couple of weeks and wondered if it is fine to leave it plugged in during that time. Will it hurt or help the battery?

Thanks
 

ucmndd

Well-Known Member
Mar 10, 2016
6,903
13,044
California
Hi all,

How long should you leave your Tesla plugged in? Going on a trip for a couple of weeks and wondered if it is fine to leave it plugged in during that time. Will it hurt or help the battery?

Thanks

Plug it in. Set the charge limit to somewhere in the middle, like 50-60%. Go about your day.
 

JohnnyG

Weee!
Jun 24, 2016
872
1,188
Columbus, OH
Hi all,

How long should you leave your Tesla plugged in? Going on a trip for a couple of weeks and wondered if it is fine to leave it plugged in during that time. Will it hurt or help the battery?

Thanks
From your Owner's Manual:

"About the Battery

Model S has one of the most sophisticated battery systems in the world. The most important way to preserve the Battery is to LEAVE YOUR Model S PLUGGED IN when you are not using it. This is particularly important if you are not planning to drive Model S for several weeks. When plugged in, Model S wakes up when needed to automatically maintain a charge level that maximizes the lifetime of the Battery.
There is no advantage to waiting until the Battery’s level is low before charging. In fact, the Battery performs best when charged
regularly.

Note: If the Model S Battery becomes completely discharged in a situation in which towing is required, the owner is responsible
for towing expenses. Discharge-related towing expenses are not covered under the Roadside Assistance policy."

Just don't set your charge limit any higher than 80%. There's also really no advantage to setting it lower.
 
Last edited:

JohnnyG

Weee!
Jun 24, 2016
872
1,188
Columbus, OH
Doesn’t anyone RTFM any more? In the early days we had the owners manual memorized even before we got the car!
I think the important thing we can share with our fellow inexperienced owners, is that they can read the manual online, or download the PDF to take with them on a mobile device. Some might not know this, and might not be able to sit in the car for long durations reading the manual.

Here's the link --> Model S Owner's Manual

That said, a quick search on Google does point to this question being resolved a magnitude of times (even links back to this site with great answers).
 

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