Hey guys, just picked up my Model S today. I'm charging at home with the NEMA 14-50 at 30 miles an hour. Of course the car will be fully charged sometime in the night, is it ok to leave the plug connected to the car and wall outlet all night?
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The concept of keeping your car ALWAYS plugged in is good if you have the ability to connect everywhere you go, but it is not necessary if you can remember to plug in before the car becomes lower than say.. 50%. If you keep the battery SOC 50 to 75 percent a majority of the time; your battery will have a healthier overall life cycle.
Hey guys, just picked up my Model S today. I'm charging at home with the NEMA 14-50 at 30 miles an hour. Of course the car will be fully charged sometime in the night, is it ok to leave the plug connected to the car and wall outlet all night?
For long term storage while plugged in, what's the optimal SOC to leave it set at? My car has been hibernating all winter at about 50% SOC.
For long term storage while plugged in, what's the optimal SOC to leave it set at? My car has been hibernating all winter at about 50% SOC.
You're doing the right thing for long term storage. Leave it plugged in with the slider at 50% SOC.
whats the optimal setting for daily use? my commute/daily mileage is less than 20 miles, i usually limit it around 80% for daily charging.
Just to be a little more specific about what happens when you plug in....
When you first plug in, the car will start charging, and will continue to charge until it reaches the charge limit. You can set the charge limit in the charging screen in the car, or in the smartphone app. I believe the default limit is 90%.
Once it hits the charge limit, the charge stops and the wall voltage is disconnected. I believe you'll hear some relays click when this happens, although I haven't been present for the event myself. At this point, the car acts more or less as if it were unplugged.
Now, if the battery charge drops by more than a certain amount (not sure exactly how much, but a few miles of rated range) then the car will reconnect to the wall voltage and charge back to the set limit.
Similarly, if you turn on the climate control (either using the app or by opening the door) the car will turn on the wall voltage (if it's not already on from charging) and run the climate control from the charging power rather than the batteries. This means you can pre-heat or pre-cool the car without impacting range if it's plugged in at the time, which is really nice. Also saves some wear on the batteries, for whatever that's worth.
whats the optimal setting for daily use? my commute/daily mileage is less than 20 miles, i usually limit it around 80% for daily charging.
I know you were trying to be helpful, but there's some inaccurate information here.
For starters, the car may or may not start to charge when you initially plug it in, depending on whether or not timed charging is set. It is possible to turn on timed charging, and have the charging start at a specific time. This is useful if you have night rates, and also if you want the charge to end close to the time you want to depart.
Also the battery won't just start to charge again due to the range dropping a few miles of rated range. I believe if the car is plugged in it will charge as most every two days.
I figured the explicit starting time would be an obvious exception (since you have to set it up) not necessary to call out.
As for charging again while plugged in, that's not been my experience at all. I've woken up to notifications on my phone saying the car topped off in the middle of the night, after charging to full the previous evening and staying plugged in.