There are a ton of factors that go into battery degradation, not just speed of charging. Also, it varies dramatically depending on the manufacturer - the 4yr/80

There are a ton of factors that go into battery degradation, not just speed of charging. Also, it varies dramatically depending on the manufacturer - the 4yr/80-90% doesn't line up with real world data from Tesla: https://twitter.com/elonmusk/status/1270784295733301249?s=19 https://twitter.com/elonmusk/status/1270784295733301249?s=19