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
Long lasting
on February 13, 2026
Posted by: marcye8_6098
Long lasting good quality battery. We use these for 9 volt requirements and they always work and last for months! Great battery, will continue to purchase.
Written by a customer while visiting influenster.com
Customer Rating
5
One and done battery packs.
on January 17, 2026
Posted by: rockyquat_7490
I’m in my last few batteries but these lasted me a good four years. We use these for certain electronics and these last really long. One machine I use them for is a electric muscle massager which uses a lot of power and it’s 60 minutes per session. One battery lasts me weeks with continuous use so that means their capacity is really high and they drain slowly. They also offer a guarantee that if you’re not satisfied with the product you can call the number in the back and I assume they’ll give you replacements. Although these packs can be expensive, it’s one of those purchases you buy one time and you’re set for years.
Written by a customer while visiting influenster.com
Customer Rating
5
Been on these since the 80’s
on December 29, 2025
Posted by: RussellH
From race car tracks teddy ruxpin to remote control cars and smoke detectors. I grew up in the 80’s where to see if these 9 volt batteries still worked you would lick them.
Written by a customer while visiting influenster.com
Customer Rating
5
Best batteries
on December 24, 2025
Posted by: deee40_6369
Best batteries I used no leakage output is great capacity awesome strong good last you for long time doesn’t get salty or rusty quality vs price totally worth it
Written by a customer while visiting influenster.com
Customer Rating
5
Great battery
on December 23, 2025
Posted by: ryanpenn1982_2176
One of the best and most reliable batteries out there. Not a huge need for 9V batteries much anymore but when I need one I go with Duracell every time.
Written by a customer while visiting influenster.com
Customer Rating
5
Trustworthy
on December 20, 2025
Posted by: popeyes_345
I trust in my smoke detectors which says a lot about this brand . The output is consistent and lasts a long time without worry. A popular brand that is sold pretty much everywhere.
Written by a customer while visiting influenster.com
Customer Rating
5
Quality
on November 17, 2025
Posted by: jaymies13_330
This brand has been the go to brand. I use these for my outdoor camera and the batteries last a very long time before changing them out. And affordable
Written by a customer while visiting influenster.com
Customer Rating
5
Great batteries.
on November 15, 2025
Posted by: deios_1798
Great batteries!! I use them all the time on my smoke detectors, kids toys, etc. These batteries have a very long lifespan. These are definitely worth the buy.
Written by a customer while visiting influenster.com