The Duracell MN21 12V Alkaline Battery is designed to power your key remote and security devices in a way that is reliable and lasts a long time. Duracell produced this tiny, cylindrical battery, which is great for keyless entry systems, garage door openers, car alarms, remote controls, and wireless doorbells. It always puts out 12V, so you can count on it for high-drain uses.
The Duracell MN21 is built of sturdy, leak-proof components that make it last longer and perform safely even when it is stored for a long period. This battery is the finest choice for crucial equipment that need a reliable and safe power source because Duracell is a well-known brand.
What’s Included:
1 Alkaline Battery from Duracell MN21
Key benefits:
• Strong 12V output: perfect for small devices that need a lot of power
• A case that doesn't leak: Protects your gadgets from damage and leaks
• Long Shelf Life: It can be stored for up to five years and still serve as a backup power source.
• Small and useful: perfect for remote key fobs and wireless controls
• A brand you can trust: Duracell products work well and last a long time.
Usage tips :
• A lot of alarms, garage door openers, wireless doorbells, and car key remotes use this.
• Before inserting it in the device, always check the polarity.
• Store in the original container and in a cool, dry place
• Don't put old and new batteries in the same place.
• Use battery recycling programs to responsibly get rid of batteries you don't want.
Product Information
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Type: Battery with an alkaline cylinder
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Model: MN21/A23/23A/V23GA
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12 volts of power
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Chemistry: Basic
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Length: 28.5 mm; Width: 10.3 mm
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Shelf Life: 5 years or longer
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Works with A23 or MN21 devices
(FAQs):
Q1. What is the purpose of the MN21 battery?
It is often used in wireless alarms, security systems, car key fobs, and garage door openers.
Q2. Is MN21 the same as A23 or 23A?
Duracell calls the A23/23A battery type MN21.
Q3. What is the MN21 battery's voltage?
It sends off 12 volts of electricity, which is perfect for small gadgets that need a lot of it.
Q4. Can I use it to set off my car alarm?
Yes, MN21 is widely utilized in keyless entry and car alarms that don't need a key.
Q 5. Can you charge the battery?
No, the MN21 battery is an alkaline battery that can only be used once.
Q6. How long does it last?
If you keep it in its original packaging, it can survive up to five years.
Q7. Can I leave it in hot places?
Put it in a cool, dry place to keep it running well and last a long time.
Q8. How can I find out if my device has an MN21 battery?
The battery compartment or the device's manual often has the numbers MN21, A23, or 23A written on it.
Q9. Can I safely carry an extra MN21 in my purse or pocket?
Yes, but keep it away from metal stuff so it doesn't short-circuit by mistake.
Q10. What should I do with an MN21 battery that has run out?
To recycle it safely, bring it to a battery collection center or a certified battery disposal program.
