Customer reviews from duracell.com
Duracell - MN21B2PK 12V 21/23 Specialty Alkaline Battery (2/Pack)
Average customer rating
4.9
(50 Reviews)
Rating breakdown 50 reviews
5 Stars
43
4 Stars
7
3 Stars
0
2 Stars
0
1 Star
0
Customer Reviews for Duracell - MN21B2PK 12V 21/23 Specialty Alkaline Battery (2/Pack)
Customer Rating
5
Reliable battery that delivers dependable performance for compatible devices.
on July 21, 2026
Posted by: PornwadeeW
I used Duracell batteries for a variety of small devices, and this MN21/23 battery works as expected. It was easy to install, Has provide reliable performance so far, and comes in convenient packaging that’s easy to store until needed.
Written by a customer while visiting influenster.com
Customer Rating
5
Good quality
on July 20, 2026
Posted by: OirasolM
Good reliability and quality. It’s has durable power which makes it last. Good disposal and you can use it for tvs remotes or anything’s that fits. Duracell is a great battery.
Written by a customer while visiting influenster.com
Customer Rating
5
Reliable
on July 12, 2026
Posted by: ElizabethN
Duracelll always leads in reliability for batteries! Although they are small, they are packed with energy! Easy to add to your electronics! A must buy for guaranteed value for your money.
Written by a customer while visiting influenster.com
Customer Rating
5
Steady output, good energy and reliable performance for the price
on July 9, 2026
Posted by: ChadY
The Duracell MN21/23 Alkaline Battery is a compact size that fits small devices well. It provides steady output, good energy, and dependable discharge during use. Overall, it offers solid value and reliable performance for the price.
Written by a customer while visiting influenster.com
Customer Rating
5
It’s ok
on July 9, 2026
Posted by: EstefanyT
I like it very much since it makes my electronic devices work very well the impatient is very easy to carry and very comfortable and easy to take out the batteries the price is very good
Written by a customer while visiting influenster.com
Customer Rating
5
These batteries last almost a life time.
on July 8, 2026
Posted by: CherriseL
They lasted much longer then any other battery I have owned. There are many sizes to choose from. Last long time they keep going longer then the you they are put in. There very lite weight. There very powerful for being in a small package
Written by a customer while visiting influenster.com
Customer Rating
5
Super good
on June 12, 2026
Posted by: YamilkaG
Duracell coppertop AA alkaline batteries, rocognized for their distinctive copper-colored top desing. Ideal for everday household devices such as remote controls, toys, flashlinghts, and clocks
Written by a customer while visiting influenster.com
Customer Rating
5
Reliable, long-lasting battery that delivers consistent power and dependable performance.
on June 10, 2026
Posted by: EliannaM
I've been using the Duracell MN21/23 Alkaline Battery in a small remote control device, and so far it has performed very well. Installation was quick and easy, and the battery fit perfectly. It provides consistent power and has been reliable without any noticeable drop in performance. I also appreciate that it comes from a trusted brand known for long-lasting batteries. Overall, it does exactly what it's supposed to do and gives me confidence that my device will keep working when I need it. I would definitely purchase this battery again.
Written by a customer while visiting influenster.com