Customer reviews from duracell.com
Duracell - MN16RT4Z CopperTop Alkaline 9V Batteries (4/Pack)
Average customer rating
4.9
(389 Reviews)
Rating breakdown 389 reviews
5 Stars
348
4 Stars
40
3 Stars
1
2 Stars
0
1 Star
0
Customer Reviews for Duracell - MN16RT4Z CopperTop Alkaline 9V Batteries (4/Pack)
Customer Rating
5
Great Battery for Kids’ Toys!
on June 16, 2026
Posted by: KasieI
We use Duracell 9v batteries in our son’s toys always. Especially this grave digger monster truck RC car. He’s constantly forgetting to turn the monster truck off after he is done using it and Duracell 9v seems to last forever!! This makes the quality of these batteries a 10/10 for our house!
Written by a customer while visiting influenster.com
Customer Rating
5
Trust, Performance, Perfection
on June 8, 2026
Posted by: LindaD
The best there is! The only one I trust for my smoke detector, the one and only! This has been my favorite brand of battery for so many years. Quality, performance, assurance, workmanship and always lasting power is what you can expect from Duracell.
Written by a customer while visiting influenster.com
Customer Rating
5
The best 9V Battery
on May 22, 2026
Posted by: JustinS
There are few things as annoying as your smoke detector chirping in the middle of the night. The last time it happened to me I didn't have a replacement 9V battery and had to deal with the chirp all night. Now I make sure to always have a couple extra Duracell 9V batteries in my junk drawer, just in case.
Duracell is my brand of choice. They're long lasting, reliable, and have a long shelf life. They aren't the only good battery brand, but they are the best in my experience.
Written by a customer while visiting influenster.com
Customer Rating
5
Great product
on May 13, 2026
Posted by: NicoleK
This is our go to battery for you on our farm. Always keep extras on hand and I love putting them in Christmas stockings as stuffers. Long lasting and dependable.
Written by a customer while visiting influenster.com
Customer Rating
5
Amazing
on May 2, 2026
Posted by: JacquelineM
Love the brand. Long lasting. Amazing for kids toys. Can’t fight how long it last on kids toys specially how they play so much with their toys. Don’t have to be changing constantly
Written by a customer while visiting influenster.com
Customer Rating
5
Duracell coppertop 9v
on April 22, 2026
Posted by: YafreiciE
Duracell coppertop 9v is compatible, and its design is beautiful, its useful life is indicated by the packaging, this option is good if you are looking for very durable batteries.
Written by a customer while visiting influenster.com
Customer Rating
5
This battery has a great life span.
on April 16, 2026
Posted by: AndreaB
The 9 volt battery as with all Duracell batteries have a great lifespan span. I use these batteries in my smoke detectors and some flashlights. They are dependable.
Written by a customer while visiting influenster.com
Customer Rating
5
Long lasting
on April 15, 2026
Posted by: DonnaF
This brand is my go to when I need 9 volt batteries. I use them exclusively in my smoke detectors. These batteries have a long shelf life and last over 6 months at a time in the detectors.
Written by a customer while visiting influenster.com