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Apple mentioned that AirTags batteries ought to every final a few 12 months, so if you happen to purchased one at launch, it is now time to test how a lot cost you’ve got received left.
It is unimaginable to foretell with any certainty how lengthy a battery will final, as a result of it relies upon mainly on how a lot it is used. And if the battery in your AirTag does get so low that you have to change it, your iPhone will notify you.
Solely, that is the only real notification you get. You will be instructed that the AirTag battery is low and that so that you ought to switch it, however that is not lots of assist if it occurs as you are stepping onto a transatlantic flight.
So particularly while you purchased an AirTag at launch, or any time that it is round a 12 months since buy, test your battery.
Find out how to test your AirTag battery
- In your iPhone, open the Discover My app
- Faucet on Gadgets within the backside row
- Faucet on one of many AirTags listed there
- On the pane that pops up, look within the high header for a battery icon
Apple doesn’t present a option to see the exact battery cost share, it solely provides you an icon. Consequently you possibly can’t be very exact with it, however you possibly can readily see when it is beginning to look a bit of low.

Within the Discover My app on iPhone, select Gadgets, then decide your AirTag to test
You possibly can change the battery instantly, however it’d be higher to carry a alternative battery with for when the unique one is absolutely used up. Then changing AirTag batteries is a fast job.
Estimating your AirTag use
Apple’s estimate of a one-year battery life relies on testing underneath a particular use case.
“Battery life primarily based on an on a regular basis use of 4 play sound occasions and one Precision Discovering occasion per day,” says Apple in a help doc. “Battery life varies with utilization, environmental situations, alternative battery producer, and plenty of different components; precise outcomes will differ.”
It is potential that Apple has been under-promising and over-delivering, although. Whereas not remotely statistically legitimate, a tough sampling of AirTags owned by AppleInsider employees confirmed battery ranges of 75% or extra after a 12 months.