For what it's worth, both the charging methodology and the longevity metric they describe are industry standard. The fact that would actually be interesting to

For what it's worth, both the charging methodology and the longevity metric they describe are industry standard. The fact that would actually be interesting to know is the precise number of charge cycles they target for 80% capacity, but of course that isn't disclosed. So that website may sound impressive on first glance but they aren't actually claiming better durability (in the sense of battery longevity) than the competition.