How a Battery Works

To help illustrate how a battery works, let’s begin by using a more simple battery like the alkaline. All batteries have a cathode (positive) and an anode (negative) portion of the battery.

How batteries work

The alkaline cathode is a mixture of manganese …

Battery Terms and Definitions

Last updated: 7/6/2021

Active MaterialThe chemically reactive material at the positive or negative electrode that engages in the charge and discharge reactions.
Ampere Hours (Ah)The number of minutes a battery can maintain a useful voltage under a specified