Amazon Basics 8-Pack 9V Alkaline Batteries, 5-Year Shelf Life - for Smoke/CO Detector, Electronics & Audio

The Amazon Basics 8-Pack 9V Alkaline Batteries are a reliable and cost-effective choice for powering essential household devices such as smoke and carbon monoxide detectors, audio equipment, and other electronics. These batteries performed great right out of the package and offered consistent, dependable power. The size is standard and fits perfectly in compatible devices, and they deliver accurate, steady performance when reliability matters most. Overall, this is a great deal and a smart purchase for anyone looking to stock up on dependable 9V batteries. Pros: High quality and dependable performance, Great price and value, Worth the money, Easy to install and use Cons: None Overall, these batteries provide excellent performance at a budget-friendly price, making them a great option for everyday household needs.

They work exactly like any other standard 9V battery and get the job done without issues. I’ve used them in smoke detectors and other electronics with no problems at all. Performance is what you’d expect, just at a lower price. There’s nothing fancy here, but that’s the point. If you want reliable batteries without overpaying for a brand name, these are a solid choice.

I love the Amazon Basics 9V Alkaline Batteries. I use them for smoke and CO detectors as well as other electronics, and they last longer than many other brands I’ve tried. The performance is consistent, and the 5-year shelf life is a big plus for keeping extras on hand. Great quality at a great price. Amazon Basics batteries have become my go-to choice. Highly recommended!

The Amazon Basics 8-Pack 9V alkaline batteries provide dependable power for household devices like smoke detectors, toys, and portable electronics. They arrive well packaged and offer good value for the quantity, making them a practical choice for stocking up. Performance is consistent and reliable, though they may not match the longevity of premium brands. Overall, they deliver solid everyday performance at a fair price and are a smart option for keeping essentials powered.

5 stars because there’s nothing to say, really. The batteries work as well as any other 9 volt. I like to get Amazon’s version because they’re the most cost effective compared to a big box store. They last just as long as any other batteries. We basically only use them to power our code locks on the doors of our houses, but the door lock will last for years, so good deal.

Work as long and as well as name brand batteries but less expensive. Really a no-brainer.

I used to only buy the "big name" brands for my household batteries, especially for critical things like smoke detectors. However, after trying this Amazon Basics 4-Pack of 9V Alkaline Batteries, I'm officially a convert. They offer the exact same performance without the "brand name" markup. 1. High Performance Right Out of the Box I tested each of these with a multimeter as soon as they arrived, and they all registered at a consistent 9.5V to 9.6V. They aren't sitting on a shelf losing power; they arrive fresh and ready to go. I’ve used them in everything from high-drain RC toys to my digital multimeter and acoustic-electric guitar, and they haven't skipped a beat. 2. The 5-Year Shelf Life is Real The 5-year leak-free shelf life is a huge selling point for me. I like to keep a few extras in the "junk drawer" for when that dreaded low-battery chirp happens at 2:00 AM. Knowing these will still be at full strength two or three years from now gives me total peace of mind. It makes stocking up for emergencies or power outages much more practical. 3. Perfect for Smoke & CO Detectors If you have multiple smoke or carbon monoxide detectors in your house, the cost of replacing batteries every year adds up fast. These fit perfectly in the battery compartments—no struggling with tight fits or weird dimensions. They provide steady, reliable power that lasts just as long as the expensive copper-top alternatives I used to buy. 4. Frustration-Free Packaging I actually appreciate the Certified Frustration-Free Packaging. There’s no sharp plastic clamshell to hack through with scissors. The box is easy to open, and it doubles as a neat little storage container for the remaining batteries so they don't roll around and short out against each other. Pros: Incredible Value: You get four batteries for the price of two from most other brands. Reliable Longevity: Lasts just as long as premium brands in low-to-mid drain devices. Leak-Proof Design: 5-year shelf life ensures they are ready when you need them. Standard Fit: Fits perfectly in smoke detectors, garage door openers, and guitar pedals. Cons: These are single-use alkaline batteries, so they aren't rechargeable. Not intended for extremely high-drain industrial tools (stick to lithium for those). Final Verdict: There is no reason to spend twice as much on "premium" brands for everyday household items. These Amazon Basics 9V batteries are reliable, long-lasting, and arguably the best value on the market. I’ll be buying these exclusively from now on

Good price! works right off the bat! lets see how long the battery life will last

Amazon batteries always work well, great value

Value for money, very good substitute for Duracell

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je n'ai pas d'avis sur la durée de vie mais je pense que cela devrait être bon

Very good quality batteries