So low end counts as "high end in 2023"? Also, you probably want to include weight in there, otherwise 10 year old thinkpads with powerbridge easily qualify: 1

So low end counts as "high end in 2023"? Also, you probably want to include weight in there, otherwise 10 year old thinkpads with powerbridge easily qualify: 188Wh give you lots of time. Also any silent laptop + power bank.