Definition: A device used to power electric devices, consisting of a set of electrically connected electrochemical or, archaically, electrostatic cells. A single such cell when used by itself.

Alright class, settle down, let’s take a look! Today we’re tackling the word “battery,” it's quite a treat, Let’s break it down, make sure you can repeat! The dictionary tells us, with a helpful plea, “A device that powers – for you and me!” It’s like this: imagine tiny little cells, you see, Working together, electrically free! "Electrochemical," that's the fancy phrase, Means chemical reactions in a dazzling maze. They push the electrons, with a vibrant flow, To make your gadgets work – watch them glow! Or sometimes “electrostatic,” an older way, Using static charge to brighten up your day. A single cell alone, just doesn’t do the trick, But when combined, it's powerful and quick! So a battery’s job is simple, plain and true, To give electric power – for me and you! Do you have any questions? Don't be shy, let's explore, Understanding batteries - that's what we adore!