Duracell 123 3V Lithium Battery, 6 Count Pack, CR123A 3 Volt High Power Lithium Battery, Long-Lasting for Home Safety and Security Devices, High-Intensity Flashlights, and Home Automation : Amazon.ca: Electronics
BATT 3V6 1/2 AA Battery
Lithium 3.6V AA - SaskBattery
Lascar Lithium Battery, 3.6V, 1/2 AA BAT 3V6 | Zoro