Whenever I read ”up to” I find it sobering to substitute with ”no more than”. ”Up to 13.5 hours of battery life” becomes ”No more than 13.5 hours of battery li

Whenever I read ”up to” I find it sobering to substitute with ”no more than”. ”Up to 13.5 hours of battery life” becomes ”No more than 13.5 hours of battery life”. ”Up to 100,000 people affected” becomes ”No more than 100,000 people affected”. & cetera