Duracell Coppertop 9V Batteries - 2pk Alkaline Battery: Household Single-Use Power
$9.65 ($4.83/count)
Pack Size2pk
In Stock
Eligible for registries and wish lists
About this item
Additional product information and recommendations
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- $4.79 - $19.39Lower price on select items4.8 out of 5 stars with 1599 ratings
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Guests are saying
Duracell 9V batteries are highly regarded for their long-lasting performance and reliability, making them an ideal choice for essential devices like smoke detectors. Guests appreciate the easy-to-open packaging and the assurance of a 5-year guarantee, which adds to their confidence in the product. Many have shared positive experiences, highlighting the batteries' ability to power various household electronics effectively. Overall, these batteries are a trusted option for those seeking dependable power solutions.
Summary created by AI from text of reviews reflecting recent feedback provided across different star ratings (includes incentivized reviews)
4.8 out of 5 stars with 1497 reviews
81% would recommend
49 recommendations
5 out of 5 stars
22 May, 2026
originally posted on influenster.com

The best 9V Battery
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.
5 out of 5 stars
13 May, 2026
originally posted on influenster.com

Great product
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.
5 out of 5 stars
2 May, 2026
originally posted on influenster.com

Amazing
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
3 out of 5 stars
29 April, 2026Verified purchase
(no review title)
Only one battery worked!
5 out of 5 stars
23 April, 2026
originally posted on influenster.com

Duracell coppertop 9v
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.
5 out of 5 stars
16 April, 2026
originally posted on influenster.com

This battery has a great life span.
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.
5 out of 5 stars
15 April, 2026
originally posted on influenster.com

Long lasting
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.
5 out of 5 stars
1 April, 2026
originally posted on influenster.com

Very good✨
This battery works really well. It lasts a long time and fits perfectly in my device. I’ve used Duracell before and it’s always reliable. Super easy to install and great quality. I would definitely buy it again.
4 out of 5 stars
30 March, 2026
originally posted on influenster.com

Trusted for the important stuff
Reliable and long lasting. Truly trusted for the most important things in my homelike smoke detectors. Easy to find in stores and online. Even though off market brands are cheaper, I trust Duracell for the important stuff
1 out of 5 stars
27 March, 2026
(no review title)
I did not get this item in my order
5 out of 5 stars
26 March, 2026
originally posted on influenster.com

Amazing great batteries
Tried and true Duracell batteries, work amazing every single time. Last forever and very efficient, smoke alarm batteries last me about two years with one battery.
5 out of 5 stars
25 March, 2026
originally posted on influenster.com

Trust
The packaging of the Duracell 9-volt battery is labeled very well to let you know product. Duracella's a reliable battery and I trust it for its known current and power to trust in my smoke detectors.
5 out of 5 stars
12 March, 2026
originally posted on influenster.com

Long lasting
I use these for all the smoke detectors in my house . They are last longer than other brands. They fit perfectly in the smoke detectors. I’ve never had any issues with them.
5 out of 5 stars
10 March, 2026
originally posted on influenster.com

Long lasting
I bought these batteries for fire alarms in my house and these are amazing. Their power is amazing and they run very long time. I didn’t see any leakage or buildup around them. These are easy to dispose and easy to store.
5 out of 5 stars
7 March, 2026
originally posted on influenster.com

Duracell- dependable for many uses
Definitely my go to battery brand for use in all household items that require 9v. Only battery I use for smoke detectors. Duracell 9v was luckily still good in the battery pack in my recliner when I was laying in it when the power went out for many hours . Thankfully, I was able to get out of my recliner unscathed because of the Duracell batteries in the back up-power pack of the recliner! 😊
5 out of 5 stars
13 February, 2026
originally posted on influenster.com

Long lasting
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.
5 out of 5 stars
17 January, 2026
originally posted on influenster.com

One and done battery packs.
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.
5 out of 5 stars
29 December, 2025
originally posted on influenster.com

Been on these since the 80’s
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.
5 out of 5 stars
24 December, 2025
originally posted on influenster.com

Best batteries
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
1 out of 5 stars
24 December, 2025Verified purchase
(no review title)
Bought with gift card, item cancelled and never got refunded