Amazon Basics 8 Units Pack 9 Volt Performance All-Purpose Alkaline Batteries, 5-Year Shelf Life, Easy to Open Value… Price: $12.59 (as of 31/01/2023 13:41 PST- Details)

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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