In this comprehensive guide, we‘ll explore how to power the versatile ESP32 microcontroller using batteries for wireless, portable applications.

You may be wondering:

What battery chemistry provides the ideal voltage?

How long will different capacities last for my use case?

What‘s the best way to connect a battery to ESP32?

How can I optimize my ESP32‘s code for better battery life?

We‘ll cover guidelines for selecting the right battery type and capacity, wiring configurations, power management best practices, and real-world examples. Let‘s get started!