Amazon.com: Energizer 3V Batteries, 3 Volt Battery Lithium Coin, 2 Count : Health & Household
Amazon.com: CR1632 Battery 3V Lithium Button Coin Cell for Car Key (30 Counts) : Health & Household
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