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Re:Equivalent of 97% of Scotland’s 2020 electricity consumpt... by pydry on Friday March 26, 2021 @10:26AM (#26592546)
Cycling car batteries is expensive. The cost of wearing out the battery is probably not going to exceed the value you get from drawing on it most of the time.

That said, if you leave a car plugged in overnight and it charges fastest when the wind is blowing and slowest when prices drift up that will have a similar effect - for free.

Re:Equivalent of 97% of Scotland’s 2020 electricity consumpt... by goodcanadian on Friday March 26, 2021 @01:15PM (#26594553)
If you were to fully charge and then fully discharge the battery, it might be an issue; however, that is not what you would typically do. If you cycle between say 25% to 90%, there is some evidence that it is better than just letting it sit. (The biggest issue seems to be leaving it fully charged for a long period of time.)