When precision power matters, the A23 Battery from Energizer is your go-to solution for compact, high-drain electronics.

This 12V miniature alkaline A23 battery is engineered to deliver long-lasting, dependable energy for devices like garage door openers, keyless entry systems, remote controls, and wireless security sensors.

Its slim profile and flat contact terminals make it ideal for tight battery compartments, while the alkaline chemistry ensures consistent voltage output—even during high pulse demands. Whether you're replacing a worn-out battery or stocking up for your toolkit, this single-pack format offers convenience without compromise.

Energizer is the #1 specialty battery brand in North America, known for zero-mercury formulations and environmentally conscious design. The A23 Battery is also a direct replacement for models like MN21, V23GA, and 1181A1, making it a versatile choice across multiple devices..

Contains one (1) Energizer Miniature Alkaline A23 Battery, delivering long-lasting, dependable power to your gadgets.

Replacement for: 1181A, A23BP, DL21, DL23, MN-21B, MN21, V23GA.