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9-volt Batteries

9-Volt batteries are compact in size and have long-lasting performance, these batteries are the perfect solution for a wide range of electronic devices. Whether you need to power up your smoke detectors, wireless microphones, or guitar pedals, our selection of 9-volt batteries has got you covered. Designed to deliver consistent power and exceptional reliability, these batteries are essential for keeping your electronics up and running. Browse the top-ranked list of 9-Volt batteries below along with associated reviews and opinions.

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  1. Energizer - MAX 9V Batteries (2 Pack), 9 Volt Alkaline Batteries

    SKU: J78676CL43

    great 9 volt batteries...caught these 9 volts on sale for $2 at my local bestbuy I prefer the energizer brand too...Great 9 volt battery...Great nine volt batteries they are ideal for smoke alarms

    Product Description

    A reliable pair of silver 9V alkaline batteries providing long-lasting, leak-resistant power for everyday devices.
    See all Alkaline Batteries
    Your price for this item is $9.99
    Save $2
    The previous price was $12.49

  2. Energizer - Ultimate Lithium 9V Batteries (1 Pack), Lithium 9 Volt Batteries

    SKU: J7867QLL9W

    Battery works!...If you need a 9 volt, this is the 9 volt for you! Met my needs....Solid battery...These are the only 9 volt batteries that I use, great life and reliability

    Product Description

    A silver lithium 9V battery offering long-lasting power, leak resistance, and reliable performance in extreme temperatures.
    See all Lithium Batteries
    Your price for this item is $18.99

  3. Rayovac - High Energy 9V Batteries (4 Pack), Alkaline 9 Volt Batteries

    SKU: J7CCPKL29T

    Good Reliable 9 Volt Batteries...Really good reliable batteries for smoke and CO2 detectors! Their price was really good, too!...Batteries...These are 9-volt batteries that you put in things that require...

    Product Description

    A pack of four silver alkaline 9V batteries engineered for long-lasting, dependable performance in household devices.
    See all Alkaline Batteries
    Your price for this item is $13.49

  4. Rayovac - Fusion 9V Batteries (2 Pack), Alkaline 9 Volt Batteries

    SKU: J7CCPKLS45

    Rayovac - Fusion 9V Batteries (2 Pack), Alkaline 9 Volt Batteries...Energizer 9 Volt Batteries...Energizer batteries have been around forever . Love the Bunny

    Product Description

    A powerful pair of silver alkaline 9V batteries engineered for high-drain devices and long-lasting performance.
    See all Alkaline Batteries
    Your price for this item is $9.49
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In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.