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Todd Burch
14-Year Member
Yes it's charged from the main pack while parked, and you have no worries about having the dashcam on 24/7. Tons of us have dashcams always on without issue.
Fanatic1
Member
Yes, this is the source of the infamous "vampire drain." The car's electronics are always draining the 12V battery, and the contactors on the main battery click on several times per day to recharge the 12V battery.
Spyder14
Member
My S arrives in a week or so & I am very interested in adding the cameras but I am also somewhat "paranoid" about the 12 volt battery. If I add the cameras & the 12 volt takes a dump during the warranty period, will they cover it or claim that the cameras were the fault? Just curious...
BertL
Active Member
Do a few searches. There are varying opinions in at least one other recent thread indicating there should be no concern if you have the camera connected via normal 12V sources that go on/off like the cigarette lighter does, whereas it could be more problematic as to what Tesla says if you tap in to an always-on source. Some people don't agree with that POV. I personally have no opinion on the subject, but my point is, the discussion surrounding your question has recently been held elsewhere.
Have fun with that new MS!That explains it. Thanks much. I knew that the 12V battery was charged from the main battery, I knew the main battery disconnected when you park, I did not know the main battery connected itself periodically, with the car on park, to charge the 12V one. Thanks again.
Todd Burch
14-Year Member
If you're bored some day, sit by the car and wait. Eventually you'll hear some random clicking
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