$6.99/ PK

Stay powered up with Duracell® CopperTop® 12V Alkaline Batteries, designed to deliver reliable performance for your essential devices. Each 2-pack of MN21 batteries ensures you’re always ready, providing long-lasting power for garage door openers, car alarms, electronic door locks, home alarm systems, and motion detectors. With a freshness dating feature on every battery and a remarkable 7-year storage life, you can trust Duracell® to keep your devices running smoothly when you need them most.

Key Features:
• Long-lasting CopperTop® technology
• Freshness dating on every battery
• 12V MN21/23 alkaline power
• Ideal for garage door openers, car alarms, and more
• 7-year storage life for ultimate convenience
• Convenient 2-pack for easy replacement
• Trusted Duracell® quality and performance