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Batteries Smoke Alarms

Smoke detectors are a crucial part of fire safety. They're also a crucial part of your home's electrical system, and you should be concerned about what kind of batteries you're using. Most smoke detectors run on 9-volt batteries, but there are two different types: alkaline and lithium. Either way, here is a selection of batteries that can replace the existing supply in your smoke alarm.

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  1. 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 $3
    The previous price was $50.00
  2. First Alert - Standard Battery-Operated Smoke and CO Alarm 2 Pack Models SMI100 and CO400 - White

    SKU: J7XK72GYWV

    Product Description

    A battery-operated white alarm set offering advanced smoke and carbon monoxide detection with easy installation.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $47.99
    Save $4
    The previous price was $51.99
  3. First Alert - SM210M Sealed 10-Year-Battery Micro Smoke Alarm - White

    SKU: J7XK72GYZ3

    Product Description

    A compact white smoke alarm with a sealed 10-year battery and advanced nuisance-reducing detection technology.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $49.29
  4. First Alert - 10 Year With Path Light Battery-Powered Photoelectric Smoke Detector 1 pk - White

    SKU: J7XK72GP7T

    Product Description

    A white, battery-powered photoelectric smoke alarm with a 10-year sealed battery and built-in path light.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $47.59
    Save $2
    The previous price was $49.78
  5. First Alert - Battery-Powered Ionization/Photoelectric Dual Sensor Smoke Detector 1 pk

    SKU: J7XK72GPXC

    Product Description

    A dual-sensor smoke alarm with a 10-year sealed battery detects both fast and slow-burning fires.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $76.01
    Save $0
    The previous price was $76.67
  6. First Alert - 2 Pack 10 year Battery-Powered Photoelectric Smoke Detector 2 pk

    SKU: J7XK72GSGY

    Product Description

    A two-pack of slim, photoelectric smoke alarms with sealed 10-year batteries and reduced nuisance alerts.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $69.21
    Save $1
    The previous price was $71.00
  7. First Alert - SMCO200V Battery-Operated 2-in-1 Smoke and CO Alarm, Voice and Location Alerts - White

    SKU: J7XK72GPRJ

    Product Description

    A battery-operated white alarm with voice and location alerts for both smoke and carbon monoxide detection.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $51.99
    Save $7
    The previous price was $58.99
  8. First Alert - SMCO210 Sealed 10-Year-Battery 2-in-1 Smoke and CO Alarm Slim Profile - White

    SKU: J7XK72GPGF

    Product Description

    A slim white alarm with advanced sensors offers 10-year battery protection against smoke and carbon monoxide.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $58.99
    Save $4
    The previous price was $62.99
  9. 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
  10. First Alert - Hard-Wired w/Battery Back-up Ionization Heat Alarm 1 pk

    SKU: J7XK7X69VC

    Product Description

    A hardwired heat alarm with 9V battery backup, 85 dB siren, and rapid temperature rise detection.
    See all Water & Temperature Sensors
    Your price for this item is $43.94
    Save $0
    The previous price was $44.07