The mighty mouse actually has an impressive battery life, I have it for almost 3 months and the battery is still at 100% (and I use it a lot), on the other hand the keyboard is right now at 83% and has been around for few weeks, maybe there's something wrong with it or kept turned on for a long while (I think that happened not sure).
Anyway, the mighty mouse will be perfect for that timing and I believe the keyboard might have a somewhat similar endurance; however the cost of 2 (or 3 in the keyboard) AA batteries is very low, changing them every once in a while is not much of a monetary concern. Hope this helped.
It might go a quite longer (not being mathematical about time usage), because according to Apple's website... "Intelligent power management conserves battery life by automatically powering down the keyboard when you’re not using it and turning it on the instant you start typing."
say it takes 4 batteries for a keyboars and 2 for a mouse thats 6 batteries
it may take 20-30 bucks to but 12 rechargeable batteries but you would only have to make that initial investment that should theoretically last you 3 years between the 2 sets. and it would be high quality nickel metal(do not get nickel cadiums they suck)
and like i said more cost up front but more last
20dollars.....
/3years
6.66dollars a year
5 dollars for a decent brand of batteries(energizer duracell rayovac)
8-10 weeks
buy batteries 5-6 times a year
32 dollars a year :-|
see the crappy math skills difference?😛😎😛
hey im not trying to be mean or rude. i just happened to think this way as i have struggled with wireless kboards and mice over the years