But then I read about it being able to charge for 9 hours of use from 2 very small minutes. That to me is a great result. And if you think about the time it takes to open the battery slot on the original magic mouse when the batteries have drained, get replacement AA batteries from the desk draw (for me, anyway), then replace the batteries, clip the battery slot back in - that's about a minute or thereabouts.
That 1-2 minutes swapping AA's between the mouse and the charger only has to be done once every month or two! A 2-minute fast charge becomes annoying if you end up doing it day after day. Honestly, who's going to be proactively remembering to give their mouse a full overnight charge?!
Charging with lightning cables makes sense for a small device like the new Apple remote. But when it comes to the Apple Mouse and Keyboard, they broke something that didn't need fixing.