a container consisting of one or more cells, in which chemical energy is converted into electricity and used as a source of power, a set of things of the same type that are used together, especially a set of guns or heavy artillery

assault and battery, run out of steam/battery, keep one's batteries charged

battery life, battery acid, battery-operated

Formal and Informal Expressions of battery

In different contexts, you can replace 'battery' with suitable alternatives. In a more formal setting, 'accumulator, power cell' is apt. In informal speech or writing, 'cell, pack' is a commonplace synonym.

battery: Explore its Definition & Usage

battery Definition

1a container consisting of one or more cells, in which chemical energy is converted into electricity and used as a source of power
2a set of things of the same type that are used together, especially a set of guns or heavy artillery

Using battery: Examples

Take a moment to familiarize yourself with how "battery" can be used in various situations through the following examples!

Example
I need to replace the batteries in my flashlight.
Example
The remote control takes two AAA batteries.
Example
The car battery died and we had to jump-start it.
Example
The army deployed their heavy artillery batteries.

battery Synonyms and Antonyms

Synonyms for battery

Idioms Using battery

assault and battery
the crime of physically attacking someone
Example
He was charged with assault and battery after hitting someone in a bar fight.
run out of steam/battery
to become too tired to continue doing something
Example
After working for 12 hours straight, I ran out of steam and had to take a break.
keep one's batteries charged
to make sure one has enough energy or motivation to do something
Example
She always keeps her batteries charged by taking breaks and doing things she enjoys.

Phrases with battery

battery life
the length of time a battery can be used before it needs to be recharged or replaced
Example
The new phone has a longer battery life than the previous model.
battery acid
a corrosive acid that is found in lead-acid batteries and can cause severe burns if it comes into contact with skin
Example
Be careful when handling the battery, as the acid can be dangerous.
battery-operated
powered by a battery rather than by electricity from a socket
Example
The toy car is battery-operated and does not require a power cord.

Origins of battery

from Old French 'baterie', meaning 'action of beating'

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Summary: battery in Brief

The term 'battery' [ˈbætəri] refers to a container of one or more cells that convert chemical energy into electricity. It is used as a source of power, such as in flashlights and remote controls. 'Battery' also refers to a set of guns or heavy artillery. Phrases like 'battery life' and 'battery-operated' extend the term's usage. Idioms like 'assault and battery' denote physical attacks, while 'run out of steam/battery' and 'keep one's batteries charged' refer to energy levels and motivation.