Amazon.com: Duracell 1620 3V Lithium Battery, 1 Count Pack, Lithium Coin Battery for Medical and Fitness Devices, Watches, and more, CR Lithium 3 Volt Cell : Health & Household
Primary Lithium Battery: Panasonic CR123A 3V 1550mAh (4.65Wh, 0.2A rate) --- Made in U.S.A, CE Listed UN38.3 Passed (NDGR)
Amazon.com: Duracell CR2 3V Lithium Battery, 2 Count Pack, CR2 3 Volt High Power Lithium Battery, Long-Lasting for Video and Photo Cameras, Lighting Equipment, and More : Electronics