Customer reviews from duracell.com
Duracell - MN21B4PK 12V 21/23 Specialty Alkaline Batteries (4/Pack)
Average customer rating
4.8
(13 Reviews)
Rating breakdown 13 reviews
5 Stars
11
4 Stars
2
3 Stars
0
2 Stars
0
1 Star
0
Customer Reviews for Duracell - MN21B4PK 12V 21/23 Specialty Alkaline Batteries (4/Pack)
Customer Rating
5
I loved it! Because
on March 9, 2023
Posted by: vicb11
I loved it! Because it lasts a long time, I used it to my electric teeth brush, and it stays the same as the first time, and yes!! It met my expectations, because I’ve bought some other batteries and they didn’t work as well as this one did!! I totally recommend them!!
Written by a customer while visiting influenster.com
Customer Rating
4
They are very reliable
on June 11, 2025
Posted by: rayans20_566
I picked up a couple of these Duracell MN21/23 batteries for my garage door remote after the old ones gave out. Honestly, I didn’t think too hard about it—just went with a brand I trust. And so far, I’m glad I did.
Right out of the pack, the remote started working again instantly, and it’s been running strong for months without a hiccup. I use that remote almost every day, and there’s been no sign of weakening or lag so far.
One thing I really appreciate is that these batteries seem to hold their charge well even when you’re not using the device much. I also have one in a spare key fob that just sits in a drawer, and it still works perfectly when I check it.
Only downside? They’re not exactly cheap, especially compared to no-name brands. But I’d rather pay a little more than deal with inconsistent power or have to replace them constantly.
Written by a customer while visiting influenster.com
Customer Rating
4
Very good batteries but cost very high
on June 14, 2025
Posted by: repair1958_8440
Duracell batteries have always been known for performance, durability, and compatability for same battery size but they have a very high price
Written by a customer while visiting influenster.com
Customer Rating
5
Reliable and long lasting
on June 26, 2025
Posted by: philips18_2741
As always with Duracell you can’t really go wrong, Duracell is always my first choice when buying batteries, they are not the cheapest, but you get what you pay for and in this case, I’m happy to pay a bit extra for the quality of product.
Written by a customer while visiting influenster.com
Customer Rating
5
Durability, value, performance, packaging, compati
on September 29, 2025
Posted by: thaon113_3822
Duracell is outstanding for their products, I used many brands before but nothing can beat their performance and they are so value able to me. Their competitive with other brands is absolutely big win. Also, their packaging is on another level, no leak and well sealed.
Written by a customer while visiting influenster.com
Customer Rating
5
Great battry life
on September 16, 2025
Posted by: erinh518
Great battry last gor so long had bought a 2 pack for my brothers controller he uses it for about 4 housrs every day thay lasted 6 months very impresed
Written by a customer while visiting influenster.com
Customer Rating
5
You never go wrong with Duracell!
on September 5, 2025
Posted by: parfaitd
Using a Duracell makes you forget about maintenance, long lasting performance, rigid packaging, works with all appliances. You never go wrong with Duracell!!
Written by a customer while visiting influenster.com
Customer Rating
5
Great battery
on August 24, 2025
Posted by: danu4
Great product that has powered all of my remotes. Would recommend for anything that requires the mn21/23 battery. The packaging is perfect for this single unit battery.
Written by a customer while visiting influenster.com