Energizer 2450 Battery - Lithium Coin Battery: 620mAh, 3V, Single-Use, Household
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4.6 out of 5 stars with 374 reviews
68% would recommend
25 recommendations
5 out of 5 stars
6 July, 2026Verified purchase
(no review title)
Excellent batteries they last a very long time even after the amount of use they are put thru !
3 out of 5 stars
Thumbs down graphic, would not recommend
4 July, 2026
(no review title)
The battery pack is okay.
1 reply from Energizer Team team - 4 days ago
Thank you for submitting your Review.Jon paul! We hope that you are satisfied with our products. Please reach out to us on 1-800-383-7323 or email us on customersupport@energizer.com to assist you better. Energizer Consumer Services
5 out of 5 stars
2 July, 2026
originally posted on influenster.com
Good!
[This review was collected as part of a promotion.] I tried these in my smoke detector and so far so good! It was easy to install, size is to be expected, easy packaging, and output seems to be good. No complaints here!
4 out of 5 stars
14 June, 2026
originally posted on influenster.com
Great battery brand
[This review was collected as part of a promotion.] The Energizer 2450 Lithium Coin Battery is very specific to the device that it can be used in. I know that the Energizer brand is top notch so I am not worries about it's performance and I know it was going to work exceptionally well. The price for the batteries are in the normal range. It doesn't take up a lot of space and hope to use it soon. I do recommend this brand to the fullest.
5 out of 5 stars
13 June, 2026
originally posted on influenster.com
Great Batteries
[This review was collected as part of a promotion.] These CR2450 lithium batteries worked perfectly in my digital food scale and powered it up immediately. I also really appreciate the packaging and how hard it was to open. While it took a little extra effort to open them, having young children in the home it gave me peace of mind to keep them in the battery drawer. So far I am very happy with the product snd will purchase again when my food scale or another item that takes these batteries goes out.
5 out of 5 stars
10 June, 2026
originally posted on influenster.com
Def use again
[This review was collected as part of a promotion.] The size is small and super light. I use it for my Chevy key fob which will last anywhere from 2-5 years depending on the usage. And it's super small so storage isn't an issue.
5 out of 5 stars
8 June, 2026
originally posted on influenster.com
The only choice
[This review was collected as part of a promotion.] Very easy to use, I use no other brand! The last batteries I used died faster than these. I notice I dont have to change them out frequently than usual
5 out of 5 stars
6 June, 2026
originally posted on influenster.com
Long lasting, Great batteries!
[This review was collected as part of a promotion.] Installation was quick and easy and my key fob responded like new. Energizer is a brand I trust and these are going to last a long time. Great value and performance 
3 out of 5 stars
6 June, 2026
originally posted on influenster.com
Great battery
[This review was collected as part of a promotion.] Overall this product was efficient with a smooth design. I can’t speak to the life of the product yet, however, so far so good. This product is dependenable and affordable.
1 reply from Energizer Consumer Services team - 1 month ago
Thank you for submitting your review. Saintilmise, We are glad to hear your feedback and we appreciate your time sharing this with us. Energizer Consumer Services
5 out of 5 stars
5 June, 2026
originally posted on influenster.com
Great!
[This review was collected as part of a promotion.] Love these batteries! I use these specific ones for my string lights and they last long especially because I like to keep them on for long periods of time! Works longer than other brands and lightweight.
5 out of 5 stars
4 June, 2026
originally posted on influenster.com
Easy to install
[This review was collected as part of a promotion.] I used this 2450 battery in a key fob we haven't been using because it needed a new battery. The fit was exactly right, installing it was easy. For some reason the last battery, which was a different brand, was hard to angle in properly.
4 out of 5 stars
3 June, 2026
originally posted on influenster.com
Small battery that gets the job done
[This review was collected as part of a promotion.] You get what you get with these energizer coin batteries: energizers long battery life. I put these in my daughters Elmo toy a month ago, and it’s still going strong. For a small coin battery, they last a while and get the job done.
5 out of 5 stars
3 June, 2026
originally posted on influenster.com
Thank you
[This review was collected as part of a promotion.] Fi, thank you Influenster, this is what you need to have in any house, in case you really need them! Good brand, and it has good efficiency Really recommended
5 out of 5 stars
2 June, 2026
originally posted on influenster.com
Great fit and excellent packaging
[This review was collected as part of a promotion.] Great battery for multiple uses, and looks to be strong and have a great lifespan. Too soon to tell longevity, but it has a heftiness to it and fits well inside without being too loose or tight. Best part is the construction of the package. It really is child proof with the way it’s designed, and that’s coming from someone who always rips open boxes without using scissors. Gives parents one less thing to worry about with these button batteries!
5 out of 5 stars
29 May, 2026
originally posted on influenster.com
Easy swap of a battery for my fob
[This review was collected as part of a promotion.] Was an easy swap for my key fob that uses the same size battery. Worked right away and have not had any issues since installing. Energizer has consistently been a reliable brand for me.
5 out of 5 stars
28 May, 2026
originally posted on influenster.com
Got my FOB back!
[This review was collected as part of a promotion.] My car key fob stopped working!!! What was I to do?? I grabbed me a new set of energizer batteries and hooked up my remote unlocking abilities! The child proof package was a bit adult proof at first, haha. Energizer is one of the trusted brands in batteries, so they will last longer than the car I’m sure!
4 out of 5 stars
27 May, 2026
originally posted on influenster.com
Great packaging, very few uses
[This review was collected as part of a promotion.] First off this battery is packaged more securely than Fort Knox! Each button is individually packaged and needs to be cut free off the casing when removed from the cardboard. Major win for child safety. It’s a really small pack so it stores very easily but isn’t too small to get lost. I will know in a few years how long the battery lasts because from what I’ve read it will last up to 10 years in smart devices and is very easy disposed of in the trash. Out of all of the items in my house, exactly 1 used this battery so overall not useful but if you need it, it will be safe around your kids!
5 out of 5 stars
26 May, 2026
originally posted on influenster.com
Great battery
[This review was collected as part of a promotion.] Great battery, exactly for what I needed it for. Can’t complain, installation was easy and it appears to have good longevity. I feel safe using these batteries from a well known brand.
5 out of 5 stars
23 May, 2026
originally posted on influenster.com
Nice
[This review was collected as part of a promotion.] These batteries are long lasting and they work great. The packaging is pretty nice and I am a very big fan of them. I will be buying some more for other accessories around the house !
5 out of 5 stars
22 May, 2026
originally posted on influenster.com
Trust worthy battery
[This review was collected as part of a promotion.] The energizer 2450 lithium coin batteries have a fantastic life span. I use them in my thermometer. I had used an off brand previously and I felt like I was changing the battery every two months but not the energizer! I like that they are packaged separately so when you open the pack they stayed contained. I will say the child proof packaging is a little cumbersome as there isn’t much room to cut into however I appreciate the focus on safety.