The Beginner’s Guide to your Phone Battery

The Guide
8 min readMay 17, 2018

Understand how your phone battery works and how you can make it last longer

Photo by Bence Boros on Unsplash

To say that the smartphone is a crucial component of our everyday lives is an understatement. Just over 20 years ago, it would have been inconceivable that our phones could do what it does today. Of course, with the increase in smartphone capabilities comes an increase in demand for electrical power. This has resulted in huge amounts of investment into Research & Development aiming to improve several components of the smartphone battery from size to capacity. In this Guide, we will explore how phone batteries work, some of characteristics you should look for in a battery and how you can make your phone battery’s charge last longer.

How do phone batteries work?

“A person wearing denim jeans charging their dead iPhone Cellphone” by rawpixel on Unsplash

There are more than 80 kinds of batteries that exist today. This ranges from the science fair’s potato battery to the atomic battery that gets its power from decaying radioactive isotopes. For today, however, we will be looking at a specific kind of battery: Lithium-Ion batteries. This is the battery that is commonly used to power the phone in your hands.

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