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

    SKU: J7867QLL9W

    We like to buy the lithium 9 volt batteries as they last longer in the smoke detectors....Best Battery Ever Get This 9V For Your Smoke Detector....Great battery for smoke detector...Best Battery Ever

    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 $16.99
    Save $2
    The previous price was $18.99

  2. 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.
    See all Lithium Batteries
    Your price for this item is $194.49

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

    SKU: J7867674K6

    Product Description

    A dependable silver 9V alkaline battery providing long-lasting, leak-resistant power for everyday electronics.
    See all Alkaline Batteries
    Your price for this item is $23.35

  4. First Alert - Smoke and Carbon Monoxide Detector Battery Powered - White

    SKU: JJ8Z8VQ4FV

    Smoke detector....Great smoke detector. Great price and easy to install....Great Alternative To Nest Smoke Detectors

    Product Description

    A battery-powered white detector that alerts you to smoke and carbon monoxide, with app compatibility.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $129.99

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

    SKU: J786767RHH

    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 $29.98

  7. 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 $49.67
    Save $0
    The previous price was $50.00

  8. 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 $64.62
    Save $6
    The previous price was $70.75

  9. 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

  10. First Alert - SM210 Sealed 10-Year-Battery Smoke Alarm, Slim Profile Design - White

    SKU: J7XK72GPJL

    Product Description

    A slim, white smoke alarm with a sealed 10-year battery and advanced sensing to reduce false alarms.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $40.00
    Save $3
    The previous price was $43.94
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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.