Best 12V Batteries of 2026

"I've tried cheaper brands before, but these Energizer A23 batteries have always been dependable and long-lasting. I use them for small devices and remotes, and I never have to worry about random failures or power drops. They hold their charge exceptionally well, and I really appreciate that there are no surprises or hassles—just batteries that actually last."

"I picked these up for my garage door opener, and they work perfectly and last a long time. It's hard to find this level of reliability in other brands, so Energizer is definitely a name I trust for battery needs."

"I needed A23 batteries for a small electronics mod, and the fit and performance were spot on. The price was about half of what I’d pay locally for the same name-brand product. No leaks, no issues—just exactly what I needed at a great value."

"I've found these batteries to be remarkably long-lasting and dependable. They power my remotes, toys, and flashlights with steady, reliable performance every time. The packaging is handy, and I appreciate having a budget-friendly, high-quality option on hand for everyday needs. I'll definitely purchase again!"

"For my small electronics, this 4-pack has been a real lifesaver. The batteries offer powerful, consistent performance, and I don't have to worry about constant replacements. The size is just right for stocking up, and the value for money is unbeatable. These are now my go-to batteries for key fobs and garage door openers."

"Honestly, these batteries are a fantastic deal—I got a whole pack for the price of one elsewhere. They work perfectly for my garage door opener, and the cost savings are significant. I’m impressed by their quality and reliability!"

"I bought these for my ceiling fan remote and they were exactly what I needed. It’s always a relief when things just work as expected. I’ll definitely order again."

"The batteries are a good value for odd sizes I can’t typically find at home. I use them in a specific flashlight, and the price is much better than at big box stores. They also seem to last a long time."

"For the price, these batteries are hard to beat, especially for specialty uses. No issues with quality or battery life—they did exactly what I needed without costing too much."

"I bought this battery as a replacement for my 11-year-old alarm system battery, and it has completely solved my issues. The installation was simple and quick, and the price was very reasonable."

"I ordered this battery for my APC Back-UPS 425 even though it wasn't clearly listed as compatible. It arrived quickly and in perfect condition, and it fit seamlessly. After installation, my unit showed a green operating light, so I'm really happy with the result so far."

"The original backup battery in my Chamberlain opener lasted 9 years, so I was looking for something reliable. The Mighty Max battery arrived fully charged, was made in the U.S., and was super easy to install. It powered my garage door opener perfectly when I tested it. If it lasts as long as my old one, I'll be thrilled!"

"I purchased this battery as an exact replacement for my Bruno chair lift, and it arrived fully charged and ready to use. The originals lasted almost nine years with light use—hoping these last just as long!"

"After my daughter's kids tractor battery died, I found this replacement. In just about 30 minutes, the tractor was running like new—no need to buy a whole new tractor."

"I chose this Mighty Max battery for my ION Explorer Outback 2 speaker because others said it fit perfectly, and I can confirm that. It was fully charged right out of the box, making setup quick and easy. Great value and convenience—hoping it lasts a few years."

"These batteries are exactly what I needed for my garage door remote and wireless doorbell. The multi-pack is convenient, and I love that they hold charge well in my devices. Voniko’s anti-leak protection gives me peace of mind, and the quality feels a notch above bargain brands. Definitely a smart purchase for anyone needing durable 12V batteries."

"The Voniko Alkaline 23A pack is a superb option if you want reliable, high-voltage batteries for things like remotes and security devices. The performance is long-lasting, and the price is excellent. I can always trust my essential devices to work when I need them, so I’d highly recommend these for anyone needing a solid power solution."

"I bought these batteries in June 2023 for my ceiling fan, and even after over two years, the battery life has been amazing. I only noticed it starting to wear out after a long stretch of use, which really impressed me. Durable and long-lasting—I’m definitely satisfied with how they performed."

"As someone experienced with rechargeable batteries, I was impressed by the solid construction and secure terminals of the ML18-12. The 18AH capacity delivers consistent power for my backup systems and electronics. So far, it's been reliable and low-maintenance thanks to its AGM technology. While it's a bit early to judge its long-term lifespan, the battery seems durable, and I believe it's a worthwhile investment for dependable power."

"I installed this battery in my lawn mower and it fits perfectly under the seat. The starting and reserve power are excellent, and at this price, it's a great value. I'd definitely recommend it and would purchase again if needed."

"I used this as a replacement for my jump box, and it restored the device's function effectively. After charging, it delivered plenty of cranking power to start my garden tractor and also handled the air pump with no issues. I'm happy with the switch to AGM over old acid-flooded batteries, and I hope it will last for several years."

"I've installed dozens of these MightyMax batteries across my equipment and they consistently deliver reliable power and strong performance. They usually provide more than the advertised 9Ah capacity and hold up well even after multiple deep discharges. While they may not last quite as long as OEM batteries in the toughest conditions, the cost savings and solid quality make them absolutely worth it."

"I bought a pair of these 12V 9Ah replacements for my APC Back-UPS 1500 and they fit right in and powered up my unit instantly. The installation was a breeze, and the battery holds charge as expected. I’m really happy with the quality — great value for extending the life of my UPS."

"I recently replaced the batteries in my Cyber Power UPS with these and they were a perfect fit with no installation issues. They arrived fully charged, and my UPS shows full capacity and extended runtime. The price is much better than the brand-name options, so I highly recommend these if you want to keep your backup systems running smoothly."

"I bought these batteries for my Pioneer 1000-5 dual setup and so far, they've been reliable and last about three years. I haven't had any problems, and the quality seems consistently high."

"When I needed to replace the batteries in my Liftmaster solar driveway gates, I got eight of these. They were simple to install, thanks to some quick YouTube help, and they've worked perfectly for months. Doing it myself also saved me hundreds of dollars."

"I installed this battery in my ADT home alarm system, and it worked right out of the box. The system hasn't had a single issue since, and the battery fit perfectly based on the dimensions provided."