AirTag battery replaced but still reads low even though battery doesn't have bitterant

Christiaans solution worked fine so thank you. But there is something odd here. I have 6 AirTags which I use in various pieces of luggage when I travel. Today I had to replace two batteries. The first AirTag went just fine. The second AirTag I had to follow Christiaans solution. Why the difference? Two batteries from the same pack. Same person me. Same iMac and same iPad searching and finding the AirTag. But replacing the batteries in the two AirTags not the same. Odd. Do AirTags come from different batches with subtly different electronics in them?

I have a slightly different issue - replaced the battery and on my iphone it now shows full but Find My on my Mac refuses to recognise the new battery and still shows almost empty. How do I force Find My on the Mac to refresh properly?

Restarting the app didn't do it. Can't see any "refresh" option in the app either.

Thanks for providing your solution! I'm sure it will help others who come across the same issue as you did.

Worked. Thank you.

Happy to help and glad it worked for you.

These did not work for me.

The airtags are so problematic - total pain. Will try this - thanks.

Wiping the battery worked like a charm. 👍

This also worked for me. Thank you!

AirTag battery was replaced, still showing low on find my

I replaced battery in my airtag; however, it goes off and beeps very time it moves now?

Make sure the replacement battery does NOT have the child-proof coating. Only the batteries without the coating will work with an AirTag.

How do I reactivate my AirTag after I’ve removed it? When I go to add a new AirTag it says pull the tab out like adding a brand new AirTag. 😭

Never use 70% or even 92% isopropyl on electronics. It contains water!

Use 99% (aka “anhydrous”) to keep your electronics from being adversely affected by the partial water content.