Duracell CR2032 3V Lithium Coin Battery with Child Safety Features, Compatible with Apple AirTag, Key Fob, Car Remote, Glucose Monitor, and other Devices, CR Lithium 3 Volt Cell (4 Count Pack) - Walmart.com
Exell Battery Lithium CR1216 Coin Batteries (5-Pack) in the Coin & Button Batteries department at Lowes.com