How to Extend the Battery Life of Your Apple AirTags
Apple's tracking devices typically last for a year on a standard coin-cell battery, but certain usage habits can drain them much faster.
Radwan AbdulhadiEditor and technology writer
Understanding Apple AirTag Battery Performance
For travelers and anyone who tends to misplace items, one of the best parts about using AirTags is the convenience of not needing to regularly recharge a built-in battery. Instead, these compact tracking devices rely on standard coin-cell batteries.
According to Apple, a fresh coin-cell battery should last for more than a year before it requires replacement. Even when setting up an AirTag for the first time or evaluating performance on the second-generation AirTag, users often find that actual longevity varies significantly based on daily usage habits.
Battery Specifications and Replacement Steps
Every AirTag utilizes a CR2032 coin cell battery, which is a standard 3V lithium battery commonly found in watches and car key fobs. These batteries are inexpensive and widely available at supermarkets, drugstores, and online retailers like Amazon, typically costing around $1 each.
When a replacement is needed, replacing the AirTag battery is very simple. Users just need to press and twist the steel underside cover until it detaches, remove the old battery, and insert a new one with the positive side facing upward before twisting the cover back into place.
Habits That Drain Your AirTag Battery Faster
Because an AirTag lacks an on/off switch and continually transmits its location via nearby Apple devices, certain actions can deplete its power much faster than normal. Repeatedly triggering the built-in sound alert requires continuous speaker operation, which heavily drains the small power cell.
Similarly, frequent reliance on Precision Finding forces the Ultra Wideband chip to actively communicate in real time with an iPhone or Apple Watch. Continuously opening the Find My app just to monitor a nearby tag also accelerates power consumption.
Environmental Factors and Battery Choices
Choosing the right battery brand matters for long-term performance. Generic CR2032 batteries often hold less charge, so opting for a reputable brand is strongly advised. Apple specifically recommends the Duracell 2032 Lithium Coin Battery, though consumers should note that certain bitterant-coated variants may fail to operate properly in AirTags.
External temperatures also play a critical role in battery longevity. Apple rates the device to operate efficiently between -4°F and 140°F (-20°C and 60°C). Storing an AirTag in extremely hot or cold environments—such as the trunk of a car—will negatively impact its battery life.
Checking Battery Status and Low Power Restrictions
Users can easily verify their device's power levels by opening the Find My app on an Apple device and navigating to the Items tab. An orange battery icon indicates that the coin cell needs to be swapped out.
When power drops to critical levels, the AirTag automatically restricts certain functions, such as disabling Precision Finding and sound alerts, to conserve energy. Under low power conditions, the remaining charge might only last anywhere from a few days to a month.
Sources
- EngadgetHow to extend the battery life of your Apple AirTags
Continue chronologically
Related entity coverage
Related stories
How to Get Better iPhone Battery Life Without Closing Apps
Discover effective ways to extend your iPhone's battery life without closing your apps, from display tweaks to smart power settings.
MacBook Pro Battery Life: 2011 vs. 2026 Comparison
A 15-year comparison between the 2011 MacBook Pro and the 2026 M5 Max model shows how hardware efficiency has dramatically increased battery runtime.
A Guide to the Best AirPods Cases for Everyday Protection
Explore expert-tested AirPods cases offering enhanced protection, MagSafe compatibility, and unique styles for various Apple headphone models.
Why Strong Magnets Can Hinder Your iPhone's Rear-Facing Camera
Discover how strong magnets and magnetic accessories can interfere with your iPhone's image stabilization and autofocus sensors, causing blurry photos.
