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Pronunciation change

Noun change

Singular
battery

Plural
batteries

 
Batteries
  1. (countable) A battery is a device for storing or keeping electricity. Batteries are used to power flashlights, laptop computers, cell phones, and many other devices.
    I put a new battery in the flashlight.
    I threw away the old, dead battery.
  2. (countable) (artillery) A battery is a coordinated group of artillery weapons.
  3. (uncountable) (law) Battery is the act of hitting or striking a person.
    My brother was sent to jail for assault and battery.