Changing the battery in an AirTag is a straightforward course of that may be accomplished in a couple of minutes. To take away the battery, you will have a small Phillips head screwdriver.
The battery is positioned behind the AirTag. To entry it, you will have to take away the again cowl. To do that, insert the screwdriver into the small notch on the again of the AirTag and gently pry the quilt off.