Tesla Joy explains Model 3 battery drain when left 12 days unplugged
Armen Hareyan's picture

How Much Your Tesla Model 3 Battery Will Drain If You Go 12 Days Without Charging

If you are going away on vacation and worried about how much your Tesla Model 3 battery would drain while you’re gone take a look at Tesla Joy's recent explanation of 12 days without charging her Tesla Model 3. She did an experiment and explained how much your Tesla Model 3 battery is expected to drain per day if you leave it without charging and unplugging for 12 days. Here is Joy in her own words.
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How much battery will my Tesla Model 3 drain when I leave it completely unplugged for 12 days let's find out together.

Hi everyone. I am Joy. Today is Monday June 10th and it's about one o'clock in the afternoon. Early morning tomorrow I am leaving on another business trip and this will be the longest period of time that I will be leaving my Tesla Model 3 unattended.

I come back the following Friday late at night, which means I won't be getting to my car until the following Saturday: the 22nd of June.

So this will mark a span of 12 days that this Model 3 will not be plugged in and this is the longest time I think, so far, that I have not plugged in my car.

In January I did a video discussing unplugging Tesla Model 3 during winter time when I went to Asia and left my car unplugged for 10 days. I tracked the progress of the battery drain. Now, I thought it would be great to document this now because the weather is a little bit warmer. Also, I wanted to document it this time because Tesla had opened up additional range for my battery - I guess - supposedly another 5% or 15 miles of a battery range between the last documentation and this one.

Before Leaving My Model 3 Unplugged

Thus, I wanted to see if the draining would be minimized. So let's check out where my battery's at and how I am going to prepare for this trip.

I am leaving my car at 87% state-of-charge and Wi-Fi will not connect this time because I am parked in a spot that is far away from my condo unit where my hero mesh Wi-Fi network cannot reach. So this will not wake up and connect to Wi-Fi automatically. However, if the car has an update I will go ahead and download it and install it when I return, but I will not be able to turn on The Sentry Mode here and I will not be checking my app either.

So for summertime to reduce the direct heat that's coming through the windshield, since I have all the windows tinted and the roof has UV and IR protection, I will also be putting up a sunshade. I think I have been using it for at least 11 months since I have owned this Model 3 and it has been working really nicely to make the car feel not super hot. The temperature is still going to be up there, but the dash will not be too hot to touch and the seat will not be burning your legs when you get into the car.

So, this is how I prepare for summer travel when I have to store my car when I am away.

Back After 12 Days

OK, I am back now on June 22nd and checking my Tesla Model 3 after leaving it unplugged for 12 days. When I left the batter was marked at 87%. Now I see the battery is at 82%. This means my Tesla Model 3 has only drained 5% of energy after being unplugged for 12 days.

I think it's really impressive. As you can see from the video I still have my sunshade on and the weather has been pretty mild here in Los Angeles. It's right now 72 degrees. I think this is what the temperature has been while I was gone. It's been really mild at around upper 60s and low 70s when I checked the forecast.

Thus, my Tesla Model 3 only trained 5 percent over the last 12 days and that comes out to be on the average about maybe half a percent per day. Now, I am not saying that that's exactly how much the battery drained very single day while I was gone, but just to give you an idea this is how little your battery would drain during warmer weather months while your Tesla Model 3 is unplugged.

Watch Joy explaining everything in this video and click here to subscribe to Torque News Youtube Channel for daily news on Tesla and automotive industry.

Armen Hareyan is the editor of Torque News and you can follow him on Twitter, Facebook and Youtube.


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