http://www.infobarrel.com/How_to_Turn_a_9_Volt_Battery_into_6_AAA_Batteries
published January 9, 2009
How to Turn a 9 Volt Battery into 6 AAA Batteries
by tRex
Hacking a 9 Volt Battery
Have you ever been in a situation where your television remote's AAA batteries died and you desperately needed new ones but could only find a 9 Volt battery around your house?
Well if you dismantle a 9 Volt battery you will actually find 6 AAAA batteries (Quadruple A) that can push 1.5 Volts of energy each. Technically they aren't AAA batteries, but if you put some fully charged AAAA batteries in a AAA battery device, it should still indeed work if you are in a pinch.
Watch the following video for exact instructions on how to take apart a 9 Volt battery.