Stop making assumptions about how long your AirTag battery is going to last. Here's how to quickly check the battery level and replace it when it dies.

Here’s how to easily change your Apple AirTag’s battery to make sure you never suddenly lose track of your valuable belongings.

An Apple AirTag uses a single CR2032 lithium 3V battery. This coin-sized battery is commonly used in many electronic devices, like remote controllers, watches, key fobs, and calculators.

The new, rechargeable LMR 2016 batteries deliver 3V nominal voltage and a 500-cycle lifetime, and are UL certified to Lithium Batteries. Component standards (BBCV2.MH14002).