Duracell DL CR2032 Batteries (2-Pack) DL2032B2PK - Best Buy
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 (2 Count Pack) - Walmart.com
2 x CR2032 Coin Cell Battery Box w/ On-Off Switch & Plain Wires : ID 4988 : Adafruit Industries, Unique & fun DIY electronics and kits