Varta CR1/2 AA Non-standard battery CR 1/2 AA Lithium 3 V 970 mAh 1 pc(s) | Conrad.com
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