Energizer 2032BP2 2032 Lithium Coin 3V Batteries, 2/pk. 3V lithium coin batteries perform in extreme temperatures from -22Degree F to 140Degree F Long lasting toy, health monitor and remote batteries - works with AirTag and similar devices Coin cell batteries hold power for up to 10 years in storage CR2032 3V lithium coin battery enclosed in child-resistant packaging to help keep kids safe from ingestion