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Way too much power for what the keyboard requires. Then it wouldn't be truly wireless. The batteries already last 4-6 months, so what's the point?

Well I'd prefer to charge it via my MacBook Pro's magsafe than change the batteries. But I suppose not everyone has Mac laptop(s) in addition to an iMac that they can borrow the adaptor off.
 
i just brought energizer for 1/3 cost of the apple charger
and it charges in under 60mins

i got a budle from amazon uk with rapid charger + x4 AA + x4 AAA
all for £25
 
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