10 pack of Energizer 2032 Batteries (CR2032 Compatible with Apple AirTag and Key Fobs)3V lithium coin batteries perform in extreme temperatures from -22 F to 140 FLong lasting toy, health monitor and remote batteries - works with AirTag and similar devicesCoin cell batteries hold power for up to 12 years in storageCR2032 3V lithium coin battery enclosed in child-resistant packaging to help keep kids safe from ingestion