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 : Electronics
CR123A Battery Basics: Buying Guide and FAQ
Streamlight CR123 Lithium 3-Volt Battery (12-Pack) 85177 - The Home Depot