A23 Energizer Battery Energizer's popular A23 battery provides reliable power for your calculators, remotes, medical equipment and more. Product Details Reliable power for keyless entry and garage door openers Cell size: A23 Type: Miniature Alkaline Volt: 12 Replacement for: 1181A, A23BP, DL21, DL23, MN-21B, MN21, V23GA 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. Technical Specs Battery SizeA23 Battery ChemistryAlkaline Voltage - Batteries12V DC Standard Battery Pack Size2 Capacity - Batteries50 mAh Battery Cross-Reference1181A, A23BP, DL21, DL23, MN-21B, MN21, V23GA ApplicationCamera Terminal Type - BatteriesButton Diameter0.41 in Height1.08 in ItemBattery StandardsANSI Overall Height1.12 in Shelf Life3 yr Equivalent Batteries MN21 MN23 A23 Ideal for the following applications: Keyless entry openers Car alarms Home security devices Garage door openers
