https://www.tsa.gov/travel/security-screening/whatcanibring/items/dry-batteries-aa-aaa-c-and-d https://www.tsa.gov/travel/security-screening/whatcanibring/...

https://www.tsa.gov/travel/security-screening/whatcanibring/items/dry-batteries-aa-aaa-c-and-d https://www.tsa.gov/travel/security-screening/whatcanibring/... https://www.forbes.com/sites/suzannerowankelleher/2022/10/17/faa-clears-apple-airtags-for-takeoff-following-lufthansas-tracker-flip-flop/ https://www.forbes.com/sites/suzannerowankelleher/2022/10/17... They seem fine to take in checked luggage.