this post was submitted on 02 Feb 2024
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[Dormant] Electric Vehicles

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TIL it's better to charge a little every day than let your battery get low before recharging. (www.youtube.com)
submitted 11 months ago by pageflight to c/evs
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From "Engineering Explained." He says that as you charge/discharge, the random orientation of microcrystalline structure in the battery combined with expansion/contraction due to Lithium migration results in forming cracks in the particles, which then results in reduced battery capacity. I've been letting my battery get down to 50% or so before bothering to charge back up to 80%, I may default to 70% and charge after every trip instead. (For a Volvo with NMC chemistry I'm not sure if I have "high nickel content" and would benefit form staying below 75% or not.)

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[–] pageflight 2 points 11 months ago (1 children)

Which part of it?

[–] HollandJim 2 points 11 months ago

Plug life advocates the 80-20 scheme, but also batteries that are thermally managed don’t need too much babysitting. Also charging over 60% is where battery damage tends to happen.