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'.
(..) it ripped all the connections apart. And watch. And this took some Cade genius. You are gonna love this. When I hook this back to a working battery... Oh, yeah. I don't think it's a truck at all. I think we just found a Transformer. Tran... Ugh! - Evacuate! (..)2014 Transformers: Age of Extinction