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AC Power for Inside Cabin

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I am thinking of doing some work in the 2021 Model 3 while it is being charged. Is it possible to provide 110/220V AC power (~800W) to 2 monitors and 2 desktop computers which will be placed in the back seats? If done on a regular basis, will this cause the car battery to degrade quickly?
 
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This kind of thing is discussed in detail in this thread:

TL;DR - Connect an inverter to the big 12V PCS terminals under the back seat. As long as the car is awake, you will have power. Compared to driving the car, this power draw is nearly inconsequential to the traction battery pack performance or degradation.