Power your small electronic devices with the Energizer A23 12-volt miniature alkaline battery. This manganese dioxide alkaline cell delivers reliable energy for devices that require quick, powerful electrical pulses.

• 12-volt manganese dioxide alkaline chemistry
• Also known as: MN21, 23A, GP23A, V23GA
• Ideal for keyless entry systems, garage door openers, and remote controls
• Works with wireless security devices and other small electronics
• Zero mercury for reduced environmental impact
• 2 batteries per card