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this post was submitted on 21 Dec 2023
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What makes you say that? What is an EV doing while parked in the cold for a few days that's any different than when it's parked in warm weather for a few days? Range is definitely impacted by cold weather, but that's mostly from heating the battery pack up to an optimal temperature for efficiency and durability, which it wouldn't need to do if it's parked with the battery pack contactors open.
Though I agree with your broader point. If you don't have charging at home (even if it's a standard household plug,, honestly that's good enough if it's sitting for a few days) , it really can be more hassle than anything else.
As someone who had a BMW i3 across four homes - a townhome with our own garage, an apartment with four charging spots for a hundred-ish residents, a 200+ unit condo with ZERO charging, and a nightmarish situation to ever have any added, and now a house with a garage... yeah don't bother if you don't have L1 or L2 charging at home or work.
https://www.bloomberg.com/news/articles/2023-12-15/how-to-keep-your-electric-car-battery-charged-in-cold-weather
Right, that's when the car is turned on, or plugged in and charging.
If the car is parked out on the street for a few days without being driven or charged, I don't think will experience a significantly higher battery drain just because it's cold out.
The big hit comes when the car first turns on and starts warming everything up from being cold soaked, so there's both the efficiency losses from the cold drivetrain as well as the battery charge used to power that heating.
Maybe I'm just splitting hairs tho
Sorry I didn't see this for like a week. Liftoff doesn't seem to notify for every response.
Batteries have a minimum temperature they stay above so cold can cause the battery heater to turn on. And heating up a cold soaked battery to proper operating temps does take a non-negligible amount of battery. 20 miles of range wouldn't be unheard of on a particularly cold night. We can have months before freezing and multiple days in a row below zero.