A MacBook has up to 18 hours when new, but you can get far less than that. The r...

		Retric on March 9, 2023 \| parent \| context \| favorite \| on: Lisp-powered laptop with a battery life measured i... A MacBook has up to 18 hours when new, but you can get far less than that. The real advantage of long battery life isn’t so much the duration when new but both reducing the number of charge cycles and preserving battery life as the device ages.