Apple’s AirTag is designed to run quietly in the background, helping you keep track of everyday items like keys, bags and luggage. Unlike many small trackers, an AirTag doesn’t need to be charged. Instead, it uses a standard replaceable coin cell battery that typically lasts around a year, depending on usage.
When the battery runs low, your iPhone will alert you. Replacing it is a simple process that takes just a few minutes and doesn’t require any tools. This guide explains how to tell when your AirTag battery needs replacing, which battery to use and how to swap it safely.
How to replace the battery in your AirTag
Replacing the battery only
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