CR2032 are the exclusive batteries which are designed by Apple Inc. Their batteries last for an entire year. Their batteries are very powerful and give the best performance within... moreCR2032 are the exclusive batteries which are designed by Apple Inc. Their batteries last for an entire year. Their batteries are very powerful and give the best performance within one single charge. If there is any connectivity issue faced in the Apple Airtag you can change the removable batteries and replace them with new ones.Read More - https://allsavvy.net/apple-airtags-range