Do AirTags Need to Be Charged?


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Apple’s AirTags have rapidly become a popular choice for those looking to keep track of their belongings. These small, disc-shaped devices can be attached to keys, bags, and other items to help you locate them using the Find My app on your iPhone. One of the common questions people have about AirTags is whether they need to be charged. This article will dive into how AirTags work, their power source, and maintenance tips to keep them running smoothly.

How AirTags Work

Before understanding their power needs, it’s important to know how AirTags function. AirTags use Bluetooth technology to communicate with nearby Apple devices. When an item with an AirTag attached goes missing, the AirTag sends out a secure Bluetooth signal that can be detected by devices in the Find My network. These devices send the location of the AirTag to iCloud, allowing the owner to see it on a map.

The Power Source of AirTags

Unlike many electronic devices, AirTags do not have a rechargeable battery. Instead, they are powered by a CR2032 coin cell battery, which is a type of disposable battery commonly found in small electronic devices like watches and calculators.

Advantages of CR2032 Batteries:

  1. Long Battery Life: One of the key benefits of using a CR2032 battery is its long lifespan. Apple claims that an AirTag battery should last about a year under normal usage conditions. This means you don’t have to worry about frequent recharging.
  2. Ease of Replacement: CR2032 batteries are widely available and inexpensive. Replacing the battery is straightforward and doesn’t require any special tools. This design choice eliminates the hassle of dealing with charging cables and finding power outlets.
  3. Reliability: Coin cell batteries are known for their reliable performance and consistent power output. This makes them well-suited for devices like AirTags, which need to function continuously without frequent power interruptions.

How to Replace the AirTag Battery

When the battery in an AirTag runs low, you’ll receive a notification on your iPhone. Replacing the battery is a simple process:

  1. Open the AirTag: Press down on the stainless steel back cover of the AirTag and rotate it counterclockwise until the cover stops rotating.
  2. Remove the Old Battery: Take out the old CR2032 battery.
  3. Insert the New Battery: Place a new CR2032 battery into the AirTag, ensuring the positive (+) side is facing up.
  4. Close the AirTag: Align the three tabs on the cover with the slots on the AirTag. Press down on the cover and rotate it clockwise until it locks into place.

Battery Life Optimization Tips

While AirTags are designed to be low-maintenance, following a few simple tips can help you maximize battery life:

  1. Avoid Extreme Temperatures: Exposing the AirTag to extremely hot or cold temperatures can shorten battery life. Try to keep your AirTag and the item it’s attached to within a moderate temperature range.
  2. Monitor Usage: If you frequently use the AirTag’s precise location feature or play sounds to locate your item, the battery may drain faster. Use these features judiciously to prolong battery life.
  3. Regular Checks: Periodically check the battery level of your AirTag in the Find My app. This can help you stay ahead of any potential battery issues and ensure your AirTag remains functional when you need it most.

The Future of AirTags

Apple continues to innovate, and future versions of AirTags may see advancements in battery technology. However, the current use of CR2032 batteries strikes a balance between convenience and efficiency, making AirTags a reliable tool for keeping track of your belongings without the need for constant charging.


AirTags are designed to provide a hassle-free experience when it comes to tracking your items. The use of a CR2032 coin cell battery means you don’t need to worry about recharging the device. With a battery life of approximately one year and easy replacement, AirTags offer a practical solution for those who need to keep track of their belongings. By following a few simple maintenance tips, you can ensure your AirTags remain functional and reliable, providing peace of mind and convenience in your daily life.


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