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'.
(..) We know it's attracted to electricity. Let's use it to our advantage. I could string together a series of high-voltage batteries. That'll be enough to bring him to us. - And how do we kill it? - We don't want to wound it and have it (..)2002 Shark Attack 3: Megalodon