DURACELL MN21 12V 2 Pack Specialty Alkaline Battery

The Duracell MN21 12V Specialty Alkaline Battery (2 Pack) is a compact, high-voltage power source designed for small electronic devices that require reliable bursts of energy. Delivering 12 volts, it provides consistent performance for key fobs, remote controls, wireless security systems, garage door openers, and other specialty electronics.

Duracell’s trusted alkaline technology ensures long shelf life, stable output, and leak-resistant protection for devices. This 2-pack offers convenience and backup power, making it an ideal choice for both daily use and emergency situations where reliable energy is critical.

Features

• Nominal Voltage: 12 V, designed for high voltage, compact applications

• Alkaline Chemistry: Delivers stable, long lasting performance with low self-discharge

• Performance Capacity: Approximately 50–60 mAh (some sources indicate ~55 mAh, others ~33 mAh depending on measurement method)

• Leak‑Resistant Construction: Encased in a sturdy wrapper to protect devices

• Storage Life: Retains power for up to 5 years in storage per Duracell’s Duralock technology

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