Best 9V Batteries of 2026

"I only buy Duracell batteries. They are long-lasting and of great quality. The price is also fair, and I received plenty in this order. I will definitely order again."

"These batteries outlast every other brand I've tried. My family uses a lot of batteries, and I find them at a good price while getting the job done!"

"I love the Duracell 9 Volt Batteries. They are like the reliable friend who shows up when needed. I can count on them for everything from smoke alarms to remote controls. Their lasting power is impressive. Plus, that signature copper top gives me confidence in my purchase!"

"I've come to rely on these batteries for all sorts of devices that quietly keep my home running—like smoke detectors and measuring tools. What impresses me most is their steadfast dependability; they fade out gracefully instead of failing abruptly. In a world full of unreliable products, Duracell Coppertop stands out as a symbol of trust."

"For years, I've returned to Duracell because they simply outlast the cheaper alternatives and deliver consistent power. Whether it's for remotes, toys, or my kid's nightlight, I've found them to be a solid, no-fuss choice. They're not the cheapest, but their longevity makes them well worth it."

"Duracell batteries have never let me down. They provide lasting power and are reliable for everything from flashlights to remotes. If you want a battery that won't quit on you when you need it most, Duracell is the way to go."

"I've relied on these Energizer AA batteries throughout my home for a month and they've consistently delivered exceptional longevity and reliability across everything from toys to clocks. I especially appreciate the economical 32-count box, which means fewer runs to the store and more devices powered up. For me, dependability and value make these my go-to choice."

"As a creator working with a variety of tools and gadgets, having batteries I can count on is crucial. Energizer’s AA batteries give me steady, long-lasting power whether I’m crafting jewelry, designing in 3D, or streaming content. I also like that they’re eco-conscious with zero mercury, so I can focus on my projects without worrying about constant replacements or environmental impact."

"With a family that goes through countless AA batteries, I find it so convenient to buy them in bulk online. These batteries always last longer than cheaper alternatives and arrive quickly and well-packaged. The price for the quantity is excellent, making them a smart buy for any busy household."

"I've always trusted Energizer batteries because they just last so long. I used to try off-brands to save a bit, but ended up spending more since they didn't last. With these, I'm very satisfied—they hold up over time."

"Needed reliable batteries for my garage remote and stud finder, and Energizer did not disappoint. Installation was a breeze, and both devices are working great, even in freezing temperatures. I'd definitely recommend these!"

"It's tough finding 9V batteries these days, but I'm glad I found this two-pack at a good price. I always go for Energizer because they're trustworthy and long-lasting. Shipping was fast, too."

"I bought this 4-pack of Energizer MAX 9V batteries because I was tired of unreliable cheap ones. These have been dependable so far—I use them in my smoke detector and guitar amp, both with zero issues. What I really appreciate is the peace of mind, knowing I won’t need to replace them anytime soon. Packaging was pristine and the expiration dates are years away, which is exactly what I expect from a quality battery."

"These 9V batteries are perfect for my smoke and CO detectors—just what I needed for annual battery changes. They tend to last over a year, which is great for my peace of mind."

"I use this brand regularly and the price on this pack was very reasonable. They always work well and it's smart to keep some at home, especially for cold winters."

"I've picked up these batteries several times and have yet to be let down. They're affordable and work just as well as any name brand. I always keep extras around so I never need to make a store run for batteries. Highly recommend for their long life and reliability."

"The Voniko 9V Alkaline Batteries have been a smart investment for my home safety and electronics. I get reliable power for devices like smoke detectors and guitars, and the 7-year shelf life means I can stash them away without worrying about early drain. Packaging is sturdy, and I’ve had zero issues with leaks or low voltage."

"I bought these to replace the batteries in my smoke alarms, and they’re working perfectly so far. It’s a relief knowing my safety devices have strong, dependable batteries. I’d definitely recommend them for anyone needing trustworthy 9V batteries."

"I'm thrilled to have found such a reliable battery at such a budget-friendly price. I didn't get paid to say this—I'm just genuinely happy I can get three sets for what I'd normally pay for one. Great value!"

"These batteries fit perfectly in all my 9V devices, especially my smoke detectors. The battery life matches other big brands, and my scale's light is even brighter than before. The previous battery didn't give it nearly as much power. Very satisfied so far!"

"Overall, these are good batteries at a decent price. I did have one go bad right after installation, but the rest are holding up just fine. For an 8-pack, it's still worth the deal, and I hope the remaining ones keep performing well."

"I've been very impressed by the reliability and impressive lifespan of these Amazon Basics 9V lithium batteries. I use batteries for a range of devices, and these provide consistent, long-lasting power—even after years in storage. They've been dependable in both household and professional equipment, including outdoor security cameras and wireless microphones. For the price, the value is exceptional, especially given their durability and 10-year shelf life."

"I specifically chose these batteries for my safe and smoke detectors because lithium cells provide true 9 volts and last much longer than alkalines. They're lighter, handle cold weather well, and I appreciate that I won't need to replace them every year. Just remember, when lithiums die, it's sudden—so replace them on a fixed schedule for critical devices like safes and smoke alarms."

"As a musician with lots of gear that needs 9V batteries, I was happy to find this affordable 8-pack. Each battery I checked measured around 9.8V, and they were well packaged on arrival. Compared to the high price of lithiums in stores, this is a great deal for reliable power—so much so that I immediately ordered another set."

"I bought these mainly for my home's smoke detectors and they have worked just fine so far. They're much more affordable than name brands and arrived well packaged, with no leaks or damage. Great for backup or light use, especially since they're made without mercury or lead. Just remember they’re not for heavy-duty gadgets, but for my needs, they’re a solid deal."

"For my smoke and carbon monoxide detectors, these PKCELL Carbon Zinc 9V batteries are incredibly cost-effective and dependably last a long time. I love that I can buy a multi-pack so I always have replacements ready. They give me real peace of mind for my family's safety equipment. While not meant for things like radios or toys, they perform exactly as needed in essential devices."

"I use these old-school carbon batteries in my vintage guitar pedals and fuzz boxes because they're cheap and seem to work perfectly. No issues so far, and they’re a budget-friendly choice for this kind of use."

"I always buy my batteries from either the Duracell Store or the Energizer Store, depending on which has the best price. The batteries I received had a recent manufacture date, a long shelf life, and cost less than buying locally. I use a lot of AA and AAA batteries, and these 9Vs are perfect for my needs. Highly recommend both the product and the seller."

"I purchased these to replace the batteries in my carbon monoxide detector. They lasted much longer than other brands I've used in the past. I would definitely recommend them to others."

"These batteries arrived fresh, worked exactly as expected, and were a great deal for the price."