Energizer Lithium CR123 Digital Camera Batteries (12-Pack) in the Device Replacement Batteries department at Lowes.com
Protected CR123a Li-Ion Batteries - 1600 mAh | Armytek.com
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