Duracell Alarm Battery Pack 2 – MN21
The Duracell MN21 Alarm Batteries provide reliable and long-lasting power for a variety of small electronic devices, including car key fobs, garage door openers, remote controls, wireless doorbells, and security alarms. These 12V alkaline batteries are built with Duracell’s trusted technology, ensuring consistent performance and a long shelf life for dependable operation whenever needed.
Product Features:
- Duracell MN21 Batteries – Trusted brand for long-lasting power.
- Optimized for Small Electronics – Perfect for car remotes, alarms, doorbells, and more.
- High Voltage Output – Provides 12V power for reliable operation.
- Compact Size – 10.3mm diameter x 28.5mm length, ensuring compatibility with various devices.
- Durable & Long-Lasting – Designed to maintain performance over time.
Boxed Weight:
- 20g
Frequently Asked Questions (FAQ):
Q: What devices use MN21 batteries?
A: MN21 batteries are commonly used in car key fobs, garage remotes, security alarms, wireless doorbells, and other small electronic devices.
Q: How long do Duracell MN21 batteries last?
A: Battery life depends on usage, but Duracell MN21 batteries are designed for long-lasting performance in low-drain devices.
Q: Can these batteries be recharged?
A: No, Duracell MN21 batteries are non-rechargeable alkaline batteries.
Q: Do they contain mercury or cadmium?
A: No, Duracell MN21 batteries are free from mercury and cadmium, making them safer for the environment.
Q: Can these batteries be stored for future use?
A: Yes, Duracell MN21 batteries have a long shelf life, allowing you to store them for emergencies or future replacements.
Warranty Information:
Duracell MN21 batteries come with a manufacturer’s guarantee for quality and reliability. If you experience any defects, refer to the retailer’s return policy or contact Duracell customer support.
Choose Duracell MN21 batteries for trusted, long-lasting power in your essential small devices!



