25Wh / 50Wh = 2. Right?
26 minutes / 3 hours = roughly 1/6; 26 / 4 hours = roughly 1/8.

Uh...don't you mean:
1:26 minutes / 3 hours = roughly 1/2; 1:26 / 4 hours = roughly 3/8.
Not that the battery life is very good on current AMD-equipped devices, but at the same time one doesn't pay as much either.
I wonder if a similar bug isn't responsible for my PDA eating power (when off) with SD cards present.

+10 wearing clown bow-ties increases your journalistic integrity