# What is the Expression of the Capacity of a Battery?

By BYJU'S Exam Prep

Updated on: September 25th, 2023

The capacity of the battery is expressed in terms of ampere-hour rating. The ampere-hour rating is defined as the product of the amount of current (Ampere) and the time (hour) for the battery to supply the current.

## Facts About Capacity of A battery

Here we are mentioning the important points of the capacity of the battery. It is one of the important topics of basic physics.

• The standard unit of the capacity of the battery is an ampere-hour rating.
• The capacity of the battery = Amount of Current x the time (hour) for the battery to supply the current
• The capacity of a battery is defined as the amount of electricity generated due to electrochemical reactions.

Factors depending on the capacity of the battery:

• The electrolyte used in the battery
• Area of the plates in the battery
• Nature of separators between the plates
• Final limiting voltage
• Temperature

• A battery is a device or collection of cells that convert chemical energy into electrical energy.
• It may be a collection of one or more than one electric cells.
• There are mainly two types of batteries, the First Primary and another is Secondary.
• Alessandro Volta is known as the father of the battery.

Summary:

## What is the Expression of the Capacity of a Battery?

The unit of the battery is defined in ampere-hour rating. The ampere-hour rating varies with the size of the battery and the discharge current.

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