Here is a great deal on this AmazonBasics 9-Volt Batteries 8-Pack. Get it for just $7.89 (or less depending on your Subscribe & Save discount). You’ll need to clip the 20% off coupon and order with Subscribe and Save to get the best price. This will likely sell out, so please be aware that prices may change.

• One 8-pack of 9-volt alkaline batteries for reliable performance across a wide range of devices
• Ideal for household items like garage door openers, smoke detectors, radios, toys, and more
• Improved design offers a 5-year leak-free shelf life; store for emergencies or use right away
• Ships in Certified Frustration-Free Packaging
• Note: these batteries are NOT rechargeable. For reusable options, check out Amazon Basics rechargeable batteries