Amazon.com: Duracell CR123A 3V Lithium Battery, 2 Count Pack, 123 3 Volt High Power Lithium Battery, Long-Lasting for Home Safety and Security Devices, High-Intensity Flashlights, and Home Automation : Health & Household
Energizer Lithium CR123 Digital Camera Batteries (12-Pack) in the Device Replacement Batteries department at Lowes.com
GP CR123A: GP Photo, 3 V, 33.5x17 mm at reichelt elektronik