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Smoke Batteries

Smoke detectors alert you to the presence of smoke, giving you time to escape and call for help in case of danger. They are a necessary part of home fire safety, but for them to function properly, they need to have working batteries. There are various types of batteries for smoke alarms. Browse the top-ranked list of smoke alarm 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

    Energizer batteries are the best...The batteries are very long lasting and I love them. Great price....The best batteries out there guys....Absolutely great batteries I love the brand I was having problems...

    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 AA Batteries (4 Pack), Double A Batteries

    SKU: J78676C8CH

    Love buying batteries from Best Buy they sell great quality...I love best buy is the best store to by my electronics stuff i recommended to every body thank you...best buy.

    Product Description

    A pack of silver AA lithium batteries offering long-lasting power, leak resistance, and reliable cold weather performance.
    See all Lithium Batteries
    Your price for this item is $11.99
    Save $3
    The previous price was $14.99

  3. Energizer - Ultimate Lithium AA Batteries (8 Pack), Double A Batteries

    SKU: J78676X76J

    The best batteries to have....I love these batteries for all my appliances that require lithium batteries....I love best buy for their battery prices. And they always have the kind and size I need.

    Product Description

    A pack of silver AA lithium batteries offering long-lasting power, leak resistance, and reliable performance in extreme temperatures.
    See all Lithium Batteries
    Your price for this item is $16.99
    Save $3
    The previous price was $19.99

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

    SKU: J7CCPKL29T

    Great value for the money ..last a long timeBest buy is great...Great way to use your best buy rewards,we all need batteries right.

    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 $11.49
    Save $2
    The previous price was $13.49

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

    SKU: J7CCPKLS45

    So great to have Best Buy make the simple batteries available to not have to go to different locations...love this product...They also work great in flashlights and camping items.

    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

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

    SKU: J7867QLL9W

    Love it...The best 9v battery I have ever owned. Out last all of the previous batteries...Great place to shop. Many great deals, etc....All you need is to go to Best Buy for you Gift cards for many other...

    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 $15.49
    Save $3
    The previous price was $18.99

  7. First Alert - SMI100 Battery-Operated Smoke Alarm - White

    SKU: J7XK72GPK6

    Product Description

    A battery-operated white smoke alarm with advanced detection technology and a convenient front-access battery compartment.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $24.99
    Save $4
    The previous price was $28.99
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FAQ

Smoke batteries are typically used to power smoke detectors and alarms, but they can also be compatible with other household devices that require long-lasting, reliable battery power.

You can check your smoke detector’s user manual or the battery compartment for the recommended battery type and model to ensure compatibility.

Yes, some smoke batteries are available in rechargeable variants, offering an eco-friendly alternative to single-use batteries.

Lithium smoke batteries generally have a longer lifespan and perform better in extreme temperatures compared to alkaline batteries, making them a popular choice for smoke detectors.

Many smoke batteries, such as 9V or AA types, can be used in a variety of household electronics, including radios, remote controls, and flashlights.