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Recent Change to Vampire Drain

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I've always seen about 1% per day vampire drain on my 100 kWh battery. The last couple of months it has been much less, maybe a third of that. I haven't changed any settings on the car. Has Tesla changed something when the car is idle that dramatically reduces the drain?
 
The 2020.12.11.1 update made a huge difference for me and others have mentioned that it made a difference for them as well.

I don't know that the vampire drain is a big problem for me, but it was something I always needed to be aware of since half the week I am not at home and have to charge at superchargers... at least before the virus. Now with 1% over three days it's just not an issue I even think about. Well, if I don't leave the sentry mode on anyway. lol