Battery, Battery Size 21/23, Battery Chemistry Alkaline, Voltage - Batteries 12V DC, Standard Battery Pack Size 2, Capacity - Batteries 60 mAh, Battery Cross-Reference A23BPZ, A23BPZ-2, Application Remote Control, Terminal Type - Batteries Button, Diameter 0.39 in, Height 1.08 in, Max. Operating Temp. 140 Degrees F, Min. Operating Temp. 14 Degrees F, Standards ANSI, Package Quantity 2 21/23 batteries (also known as MN21 or A23 batteries) are often used in key fobs, garage door openers, and calculators. They have a nominal diameter of 10.3 mm.Disposable specialty batteries provide increased capacity to handle spikes in power demand. They're used in high-drain devices such as digital cameras, Wi-Fi-enabled equipment, tactical flashlights, occupancy sensors, defibrillators, microphones, and f.
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