Customer reviews from Energizer Brands
Energizer - MAX 9V Batteries
Average customer rating
4.9
(584 Reviews)
Rating breakdown 584 reviews
5 Stars
544
4 Stars
34
3 Stars
5
2 Stars
0
1 Star
1
100%of customers recommend this product.
(
462 out of
463)
Customer Reviews for Energizer - MAX 9V Batteries
Customer Rating
5
Does the job!
on January 13, 2026
Posted by: alyssar484_7087
Decent! Long lasting, easy to purchase available at most stores. Essentially do the job with very little effort necessary which is always good!
Written by a customer while visiting influenster.com
Customer Rating
5
Reliable, long-lasting 9V battery that delivers co
on January 6, 2026
Posted by: martync_4474
I’ve used the Energizer MAX 9V battery in a smoke alarm and it was quick and easy to install with a secure fit. The battery delivers consistent power and hasn’t shown any drop in performance so far. Packaging is sturdy and clearly labelled, making it easy to store safely. Overall, it feels reliable and well made, which is important for devices you depend on. I trust Energizer for long-lasting performance and peace of mind.
Written by a customer while visiting influenster.com
Customer Rating
5
The only brand I buy. Top tier!
on December 30, 2025
Posted by: juliec760_9143
Top tier batteries that last a long time. I only trust Energizer in my smoke alarms and they last YEARS in them. The only brand I buy for good reason!
Written by a customer while visiting influenster.com
Customer Rating
5
Reliable 9V batteries with consistent voltage and
on December 16, 2025
Posted by: errorxrai
I’ve used Energizer MAX Alkaline 9V batteries in smoke detectors and other household devices, and they deliver consistent voltage and dependable functionality. Capacity feels solid, with long runtimes before needing replacement. The weight is standard for a 9V and fits securely in devices without looseness. Overall performance is stable, reliable, and exactly what I expect from Energizer.
Written by a customer while visiting influenster.com
Customer Rating
5
Reliable, long-lasting 9V battery that’s worth pay
on December 15, 2025
Posted by: urfavv_4756
I’ve used Energizer MAX 9V batteries in smoke alarms and a few other devices, and they’ve been really dependable. They last a long time, which is nice because changing 9V batteries is something you don’t want to do often. I haven’t had any issues with them dying suddenly or not working when I need them. Even ones that have been sitting in a drawer for a while still work fine. They do cost a bit more than some cheaper brands, but I think it’s worth it for something you can rely on, especially for safety devices. Overall, they’re simple, reliable, and do exactly what you expect without any hassle.
Written by a customer while visiting influenster.com
Customer Rating
5
The Bunny just keeps going!!
on December 15, 2025
Posted by: jessicar791_54
Just replaced several Energizer 2430 batteries in our house! Also replaced the 9V in our smoke alarms!! Something about those Energizer bunny commercials got me hooked - I love that I can count on them to be top quality, don’t have issues with quality or leakage and are fairly priced.
Written by a customer while visiting influenster.com
Customer Rating
5
Pure awesomeness !
on November 7, 2025
Posted by: ryane45_4335
The Eternal Flame of Tiny Power”
Let me tell you about this Energizer 9V battery — the Chuck Norris of electricity.
I bought one in 2008 for a smoke detector. That smoke detector has since witnessed three apartments, two breakups, one existential crisis, and a mysterious incident involving microwave popcorn and regret. The battery? Still going. Probably judging me.
Last week, my friend’s Bluetooth speaker died mid-party. I pulled this battery out of my smoke alarm like a defibrillator in a medical drama, snapped it in, and boom — instant resurrection.
I’m convinced these things aren’t powered by chemicals — they’re fueled by pure spite and determination. If the apocalypse comes, the only survivors will be cockroaches and 9V Energizers.
10/10 would trust to power my smoke alarm, my hopes, and maybe my next relationship.
Written by a customer while visiting influenster.com
Customer Rating
5
Great for my guitar pickups
on October 23, 2025
Posted by: jamieb602
I use this for my active pickups in my Zakk Wylde gibson les paul, get a long lasting drive out of them, and always reliable, without being too expensive too!
Written by a customer while visiting influenster.com