I am wondering if it is possible to use AA batteries in AAA slots. Of course, I wouldn't be able to fit them in, but I was thinking that since AAA batteries are so hard to find I would just take some wires and tape and wire on some AA batteries instead. For example, my MP3 player, TV remote, and 3rd party wireless Gamecube controller take AAA batteries, it would be very handy to use AA batteries with them instead. Would this ruin them? I'm thinking they might overload the circuits.
Similarly with C or D batteries in AA or AAA slots.