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If I turn on AC, say lower the outside temp by 10F for six hours, how much will it deplete the battery in CAMP MODE?
I tested my A/C when the car completed charging on chargepoint. Outside temperature was mid 80 in a covered parking garage. I set the climate in the car to 70F. Chargepoint showed 0.8kW/h consumption. Setting climate to 75F consumed 1.5 kW. 65F consumed 0.8kW. LO consumed 3.5kW. I tried the experiment again on a cooler day and I had to go to 69F so it would consumed 0.8kW. Higher climate setting resulted in 1.5kW consumption. From 63F to 69F it was 0.8kW.
My theory is that the car uses energy to create heat instead of using outside air. So setting the car fairly cool uses less energy.
So to answer your question, I would say the car uses about 1-2% every hour if you set the a/c to 69F or lower and the outside temperature is 70F or higher. In your case, it would around 1% every hour. So about 6kW
How do you come to that conclusion? At 1-1.5kW you will need around 50 hours to deplete the battery. Even at 30% you will need around 30-40 hours. An 8 night sleep over will run you about 8-10%, you can go on without charging for a week.good info. To me it means using camp mode while actually camping without external power source is risky at running out of battery power.
I still don't understand how Bjorn Nyland gets this so wrong - he doesn't understand how camp mode works.but noticed that the heat was not set to internal-circulate by default, so it could have been a lot more efficient.
Exactly my thought. I haven't tested it myself, but wouldn't want to test it either. We also leave a little window open when we camp inside the car.Be careful NOT to employ internal-circulate!
He also had the keep climate to the feet on for whatever reason
It's impossible to suffocate in a car. They are not sealed. In fact they are purposely vented (usually hidden under the rear bumper cover) to equalize the pressure and allow the doors to close easily. Also the HVAC is not sealed. In "recirculate mode" it's about 90/10 - in that about 10% of the air is still brought in from the outside. You can test this yourself by turning on recirc mode and following a diesel truck on the freeway (or drive by a dairy farm).Be careful NOT to employ internal-circulate! The Tesla has little volume inside. IF there is no sufficient natural ventilation in the car you may run out of oxygen. (As far as I know there is only a little vent on the left side in the trunk -in my S-.) Two people could easily consume the oxygen inside the tesla within a few hours and replace it with the CO they breathe out. The lack of oxygen would not wake you up, but send you in a coma. If the situation persists, you would wake up no more, and only hit the headlines as the first Tesla Camper Victimes. So we (and when I am alone to) always have the fresh air ventilation on with the fan @1. It does not make too much noise and as said only uses about 50 km from -3°C and an inside temp. of 18°C.
I think camping in the back of my Tesla is one of the eight wonders of the world. But really not worth risking your life over a few kW's!
PLEASE be careful!
Be careful NOT to employ internal-circulate!
Well, you will barely run the car with 4 ppl on recirculation, because you will get foggy windowsIf a couple people for a few hours while sleeping would use all the oxygen, what about 4 awake people on a few hour road trip? They should run out of oxygen too, right?
But they don't, because a small amount of fresh air is generally pulled in.
Edit: Some @hugh_jassol beat me to it!
Now, the air could certainly be a bit more stanky on recirculate. That's a different problem and usually survivable.
Well, for the first few minutes the car will blow cold air through those vents, maybe that's why? Especially in colder climate and colder battery.This actually makes a little bit of sense. Warm air rises, so it helps to distribute the heat throughout the car.
(Something my Tesla suffers from: whilst driving I invariably get cold feet and knees, because I cannot get enough hot air to my feet. Might be flaps not working well. Tesla will have a look at it later.)
So, despite the tiny volume, it actually does make a difference to point the warm air towards the bottom of the car.