battery

//ˈbætəri//

Nouns
B1

Translation

battery

Definition

A battery is a device that stores chemical energy and converts it into electrical energy to power various electronic devices, vehicles, and equipment. It consists of one or more electrochemical cells that provide a steady flow of electricity when connected to a circuit. Batteries are essential for portable electronics like smartphones, laptops, and remote controls, as well as for larger applications such as electric cars and backup power systems. Rechargeable batteries can be used multiple times, while disposable ones are discarded after use. Common types include alkaline, lithium-ion, and lead-acid batteries.

Example

  • I need to replace the battery in my remote control because it stopped working.

  • The car battery died this morning, so I had to jump-start it.

  • Make sure to recycle old batteries properly to protect the environment.

  • My laptop battery lasts about six hours on a full charge.

  • He forgot to charge the battery on his electric bike before the trip.

  • The smoke detector has a low battery warning that beeps every minute.

  • We bought a portable battery pack to charge our phones during the hike.

  • The toy requires three AA batteries to operate.

  • Solar panels store energy in batteries for use at night.

  • The battery in my watch finally ran out after two years.

Synonyms

cell
power cell
accumulator
storage battery

Other meanings

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