Energizer A23 Batteries provide reliable power to your important gadgets. These mini batteries are compatible with a variety of devices, including your keyless entry system, bluetooth headsets and home security systems. Reach for these specialty batteries when you need replacement camera batteries or a new garage door opener battery. Miniature alkaline Energizer batteries contain zero mercury to reduce environmental impact. Count on Energizer, the #1 brand of specialty batteries, to deliver dependable, long lasting power to your devices.

Energizer® Zero Mercury® Alkaline Battery, Miniature, Zinc-Manganese Dioxide Chemical System, 12 V Nominal, 50 mAh Nominal Capacity, A23, Flat Terminal, Metal Case, For Use With: Calculators, Remotes, Medical Equipment and more, 0.406 in Dia x 1.122 in H