The Duracell MN21 is a 12-volt alkaline battery designed for compact electronic devices that require a reliable, long-lasting power source. Commonly used in keyless entry remotes, car alarms, key fobs, GPS trackers, child locators, and small remote controls. This pack includes 2 batteries.

• 12 Volt alkaline battery, 50 mAh capacity
• Ideal for car alarms, keyless entry remotes, and key fobs
• Also fits GPS trackers, child locators, and small remote controls
• Drop-in replacement for: A23, MN21, 23AE, V23GA
• 2 batteries per pack