I tried and tried to get my parents in the habit of always leaving their car plugged in at home, while targeting a cap of 60-70% SoC.

They can't handle it.

Instead, they let days go by, waiting for the car to get close to 10%, and then charge to near 90%. Just like their gas car.

March 21, 2026 - 17:30 UTC

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Getting into one’s car in the morning with the battery at 80% is pretty much the best part of owning an BEV. If it wasn’t for my wife’s Subaru the whole concept of fueling a car has disappeared for me.
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The charge cap is a bit pointless day as I know, more of an urban myth than reality
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Nope. It’s very real. Tesla loudly advises to charge to 80% at most. There was also a thorough study of this a few years ago. Will try to find it.

The tl;dr is that you ideally want to keep the battery dancing around 50%, as much as possible.
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I can't even get my wife to leave the car AC on all the time and just adjust the temperature knob to what she wants.
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Some people just enjoy a foggy windshield.
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