A battery supplies power to a device.

The idea

Battery is countable: a battery, two batteries. You can replace a battery when it is empty.

Examples

  • This clock needs a new battery.
  • The batteries are in the drawer.
  • Can you replace the battery in the light?
  • My camera uses two batteries.
  • The battery is empty, so the radio stopped.
  • Keep a spare battery in your bag.

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Watch out

The plural changes y to ies: write batteries, not batterys.

Try it yourself

  1. Choose the answer. The toy needs two ___. (batteries / batterys)

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    batteries

    batteries is the plural after two.

  2. Choose the answer. The remote has a new ___. (battery / bottle)

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    battery

    battery names the power source.

  3. Choose the answer. The old battery is empty; please ___ it. (replace / drink)

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    replace

    replace means put a new one in.

Use it today

Describe a device and say when its battery needs replacing.