a 'dead battery' = ('Brit') a 'flat battery' [=a battery that has no more electricity]
The operation was performed by a 'battery' of doctors.
He was found guilty of 'battery'.
(..) You don't want to get thrown in the jails here. I've been in them. They're bad. You're better off being with us, as bad as that sounds. - What are you doing? Why are we slowing down? - Turned off my battery. Look, how far is it? Can we just take a cab or something? Oh, shit. Oh! Oh, shit! Yeah! (..)2006 Idiocracy