I think that would cause it to be "disabled".
I'd replace it before it dies, from what I read, it sounds like a hassle to get it removed from the account, so you can add a new one.
This link shows the inside of the authenticator:
I'm thinking the software is wiped once the battery is removed, hence why no battery replacement.--
Is a person a failure for doing nothing? Or is he a failure for trying, and not succeeding at what he is attempting to do? What did you fail at today?.