How to use "battery" in a sentence

Sentences

The active poison itself had already penetrated the victim's body, done its work, and begun to break down into a series of naturally occurring chemicals that would raise no alarms when the coroner later studied the results of the usual battery of forensic tests

The virus migrates to the brain stem, and there it begins secreting a toxin that literally eats away brain tissue like battery acid dissolving cheesecloth