ProCell 12 Alkaline Batteries, 9V, 12/Box

Our entire family uses these based off their performance in our homes, as well as one of our family members that uses them at work. Great value and long-lasting, I recommend them to my friends. The value pack allows you to replace all the 9v in our smoke alarms at once, with enough left over to do it at the next solstice and crafts/other needs along the way.

Made by and as good as Duracell, but less expensive.

Just received a 12 pack of these barriers. To help the next person, when you get your barriers, you can find the date on the side of the barriers (see picture). These are good thru March 2030, ordered them on 12/29/25.

First, important to note that there is likely some variation with some users experiences due to the source - different stock has different expiration date/ages, some may actually not be authentic, and some may have some other factor rendering them less than able to perform well. Make sure you always buy from a reputable seller, of course Amazon directly but if not from an authorized dealer or someone with a great history. Otherwise it is possible you may get poor quality ones or fakes etc. That being said - we have been buying these Procells (not just 9V, all the sizes of the Procell line) for many years now and have been consistently pleased with their performance. They are used in both home and work environments and with some being put to the test (10+ hours of consistent use, very hot outside weather environment and so on) and have had nothing but a great turnout with all of them. Pricing is slightly higher but they are somewhat easy to find from both Amazon and other SBA and similar sellers at a lower cost - however - worth every penny even if you're paying a premium. I believe the lowest we have paid for this box of $12 was around a dollar a battery, and the normal price looks to be around $15 which again is totally worth the little extra over some other brands. We will continue to buy the Procell line but definitely sticking to sold by Amazon just to make sure what we are getting is real and fresh :) Also, just to note - the thumbnail here shows the old red and black box, we got (5/2016) the new yellow/black box.

These are batteries. They store electrochemical energy and release it on demand. No smart features. No app asking for my location. Just nine volts of American electrical potential doing its duty in smoke detectors and guitar pedals. They last a reasonable amount of time and don’t leak acid onto my belongings. Four stars because the ultimate battery would be a small hydroelectric dam, but that’s impractical for most applications.

Good deal with good delivery time.

We use these at church for our microphones. They last longer than any of the other brands we have used before.

Excellent battery for slow drain items such as smoke detectors and alarms. Procell is the one to go to! A++