Streamlight CR123 Lithium 3-Volt Battery (12-Pack) 85177 - The Home Depot
Duracell 243-PL123BKD Procell Battery, 3 Volt, CR123A, Lithium, Raised Positive and Flat Negative, 17 mm
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