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Smoke Detector 9v Battery

Smoke detectors are an important part of home safety. They alert you to the presence of smoke, so you can take action to protect your family. Browse the top-ranked list of smoke detector 9V 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 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 $15.99
    Save $3
    The previous price was $18.99

  3. Energizer - LN522 Industrial Lithium 9V Battery (12/Box)

    SKU: J78676L5JF

    Product Description

    A long-lasting, leakproof lithium 9V battery designed for professional devices and extreme temperature performance.
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    Your price for this item is $179.99

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

    SKU: J7867674K6

    I have used these batteries for my smoke detectors many times and they seem to work the best from the...Best battery ever

    Product Description

    A dependable silver 9V alkaline battery providing long-lasting, leak-resistant power for everyday electronics.
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    Your price for this item is $23.68

  5. 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

  6. Duracell - 9V Batteries (2-Pack)

    SKU: J78KG67ZQP

    Love Duracell batteries, they last for a long time and are worth the price!...Duracell is great!!

    Product Description

    A reliable 2-pack of black 9V alkaline batteries ideal for powering a variety of household devices.
    See all Alkaline Batteries
    Your price for this item is $12.98

  7. Energizer - Recharge 9 Volt Battery (1 Pack), Rechargeable 9V Battery

    SKU: J786767RHH

    Love it!...We use these batteries at our church in our multi media room for many things, we love that we can charge...I love these! Saves me money on having to rebuy batteries every couple of weeks!!...I...

    Product Description

    A silver rechargeable 9V battery made with 7% recycled materials, designed to prevent leaks and reduce waste.
    See all Rechargeable Batteries
    Your price for this item is $29.60
    Save $0
    The previous price was $29.98

  8. First Alert - SM210V Sealed 10-Year-Battery Smoke Alarm, Voice and Location Alerts, Slim Profile - White

    SKU: J7XK72GPC4

    Product Description

    A white, slim-profile smoke alarm with 10-year sealed battery and voice location alerts for enhanced safety.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $46.99
    Save $2
    The previous price was $49.67

  9. First Alert - Plug-In w/Battery Back-up Electrochemical Carbon Monoxide Detector

    SKU: J7XK72GG4S

    Product Description

    A plug-in carbon monoxide detector with 9V battery backup and electrochemical sensor for reliable home safety.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $70.18

  10. First Alert - Plug-in Electrochemical Explosive Gas and Carbon Monoxide Detector

    SKU: J7XK72GXHQ

    Product Description

    A plug-in alarm that detects carbon monoxide, propane, and natural gas with digital display and battery backup.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $74.47
    Save $2
    The previous price was $77.22
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FAQ

Most traditional ionization and photoelectric smoke detectors are designed to operate with 9V batteries. Always check the manufacturer's specifications for compatibility before purchasing.

It is generally recommended to replace the 9V battery in your smoke detector at least once a year to ensure reliable operation.

Some smoke detectors may support rechargeable 9V batteries, but it's best to consult the user manual to ensure proper functionality and avoid any issues.

Look for 9V batteries labeled as long-lasting or specifically designed for smoke detectors to maximize the time between replacements.

Keep the smoke detector clean and free of dust, and test the alarm monthly to help maintain optimal battery performance.