No battery notification sound post-ICS

[Tsukiyomi]

So yet another PITA after updating to ICS. I'm one of those people who actually wants the fully charged sound when my battery's charged but it's stopped working. All I've found in searches is how to change the file's name if you want it silenced - I want it back!

Is anyone else having this problem or does anyone have a fix/ know where it's controlled from?

Thanks