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Amusing thing I've witnessed - is the "always cooling" Tesla. As in, you're in the office working, I park next to you, and I can hear your air conditioner running. Keeping that car comfy til lunch or 5pm.
Mentally, I just picture a guy shoveling coal into a furnace to make the electricity that is now running your air conditioner. In an effort to conserve energy - we've actually created a way to use more, while polluting more at the same time.
Is it possible the battery is being cooled and not the cabin?
Is it possible the battery is being cooled and not the cabin?
It's called "cabin overheat protection", it keeps the interior from going over something like 90 or 100 degrees. Agree though, it's definitely wasteful compared to just turning on the AC from the app 10-15 minutes before you get in the car.
It's called "cabin overheat protection", it keeps the interior from going over something like 90 or 100 degrees. Agree though, it's definitely wasteful compared to just turning on the AC from the app 10-15 minutes before you get in the car.
Dollars to donuts that poster a) saw this once and b) did not stay for 10 min to “prove” it was Cabin Overheat Protection which I’m sure they never knew existed anyway.
Amusing thing I've witnessed - is the "always cooling" Tesla. As in, you're in the office working, I park next to you, and I can hear your air conditioner running. Keeping that car comfy til lunch or 5pm.
Mentally, I just picture a guy shoveling coal into a furnace to make the electricity that is now running your air conditioner. In an effort to conserve energy - we've actually created a way to use more, while polluting more at the same time.
There is that option which is good if you have pets in the car or if you need to keep things cool for some reason--it just doesn't drain that much power, and if you're plugged in while doing it, it takes power from mains instead of the battery.
It's also quite possible that you heard a Tesla cooling its battery for a bit rather than the cabin. This generally wouldn't be running the whole time, but instead for brief stretches and then stops once it gets to a certain temperature threshold.
Do different cars report using different measures - mi/kWh vs. Wh/mi? Why?
Not sure. Most EVs deal in miles/kWh as the batteries are sized in kWh and not watt hours. It's an easy math: how big is your battery in kWh, and how many miles can you go on that capacity.
So if you have a 65 kWh battery (like my Bolt) and you are getting 5 miles/kWh, then you will get 325 miles of nominal range. just like calculating MPG. Here's the Bolt readout on the dash:
Tesla may do watt/hours, but the batteries are still rated in kWh.
My old 2017 leaf gets:
6-7 mi/kWh city driving under 45mph
5 mi/kWh city/highway driving up to 55mph
4 mi/kWh freeway driving 55-62.
3 mi/kWh from 62-65
2 mi/kWh from 65 to 65.5
1 mi/KwH from 65.5 to 65.6
and throws a "Low Battery Warning" the second you exceed 66 mph, even if the battery was at 100% SOC a second ago.
I'm kinda kidding, but kinda not. It's obscene how much battery it eats up at freeway speeds, and ridiculous how far it will go at low speeds. Even a few mph makes a huge difference at high speed.
In reality:
3.5-4 ish mi/kWh at 65
2.5-3ish mi/kWh above 70.
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