Customer reviews from duracell.com
Duracell - MN21B2PK 12V 21/23 Specialty Alkaline Battery (2/Pack)
Average customer rating
4.8
(31 Reviews)
Rating breakdown 31 reviews
5 Stars
25
4 Stars
6
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
Durability + Saves money too!
on March 27, 2026
Posted by: AudreeR
For any device, toy + MORE! This is your go to brand for long term use! I love this brand. I’ve tried other batteries. But with this brand I can at least have peace of mind that I will not have to keep switching on and off to get my tv remote + my children’s toys and so much more. I can place on time battery and not have to buy more for MONTHS! Basically a year.
Written by a customer while visiting influenster.com
Customer Rating
4
Tried and true
on March 30, 2026
Posted by: KarinS
Duracell proves time and time again to be reliable and long lasting. Fits perfectly for my garage door opener and has lasted a very long time without needing replacement.
Written by a customer while visiting influenster.com
Customer Rating
5
Compatible at 100
on March 30, 2026
Posted by: DanaeB
A great purchase, it works wonderfully and has a long duration this hard battery. Perfect for my son’s toys.
100% reliable👏🏼
It fits very well and is compatible with several things.
100% reliable👏🏼
It fits very well and is compatible with several things.
Written by a customer while visiting influenster.com
Customer Rating
4
The battery lasting significantly longer in device
on April 17, 2026
Posted by: WillisV
I choose a battery that I trust to get the job it done they are long lasting and it never had them leak and they are stronger than any other I have used
Written by a customer while visiting influenster.com
Customer Rating
5
Duracell MN21 /23 alkaline battery
on April 22, 2026
Posted by: YafreiciE
Duracell MN21 /23 alkaline battery its exclusive size and bolting What produces the necessary energy, this has an excellent quality and are necessary.
Written by a customer while visiting influenster.com
Customer Rating
4
Keep out of reach from children.
on April 30, 2026
Posted by: KhimaniP
My go to batteries, very cheap and will last you forever. Easy to use. Different sizing to fit your device. You can stock up on them and keep them for however long.
Written by a customer while visiting influenster.com
Customer Rating
5
Reliable and long-lasting power you can trust
on May 4, 2026
Posted by: EkaterinaV
I am very satisfied with this Duracell MN21/23 alkaline battery. It offers excellent performance and high reliability for my electronic devices. The power output is very consistent, and the voltage remains stable even after long-term use. I appreciate the long lifespan of this battery, as it saves me from frequent replacements. It is a high-quality product from a trusted brand, and it definitely provides great value for the money. I highly recommend it!
Written by a customer while visiting influenster.com