How To Check If An AirTag’s Battery Needs Replacing In iOS 16
The AirTag, a small puck-sized tracking device created by Apple for use with its Find My ecosystem, runs on removable coin cell batteries — and it's simple to find out whether a battery is ready for replacement. In some cases, users might not even have to take any extra steps to learn whether a battery still has life left in it, or needs replacing. Instead of using some kind of proprietary battery solution or a rechargeable battery that is not user-serviceable, Apple went with a coin cell battery that is pretty standard. While it's unlikely that a user will have the CR2032 battery that powers the AirTag around the house, a quick trip to the drugstore or supermarket is all it takes to find the replaceable battery.
Apple estimates that a single CR2032 battery should last about a year while in use within an AirTag, and the first one is pre-installed when the tracker is purchased. When it is time to swap out a new battery, the process is simple. However, without a screen or any other medium to let a user know that it is time to replace the battery inside an AirTag, the notifications and battery status functions are left to Apple's other devices. An AirTag cannot be setup without an Apple device, so it makes sense that part of the AirTag's usage relies on the company's devices. The Find My ecosystem, which encompasses all of the company's devices that have location tracking enabled, backs the AirTag and makes it possible to check the tracker's battery status.
Related: Here's How To Disable A Hidden AirTag
Most of the actions that can be taken while using an AirTag take place in the Find My app, which is pre-installed on Apple devices. The most convenient usage of the Find My app is on the newest iPhones, where the
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