Duracell MN21 batteries, 2-pack, alkaline, black
Duracell specialty alkaline MN21 batteries. Security battery. Gives you long lasting power for your devices. Duracell specialty batteries have up to 5 years of in-storage guarantee with Duralock Power Preserve technology so you can be confident these alkaline batteries will be ready when you need them. They are designed for use in wireless remote controls, wireless doorbells and security systems (alarms, GPS locators).
• Lasts up to 5 years guaranteed with Duralock Power Preserve technology
• Long-lasting power
• 33 mAh