Batteries For Home Security Systems

Power your peace of mind with batteries for home security systems, ensuring your devices are always ready to protect what matters most. Whether you’re maintaining sensors, cameras, or control panels, reliable batteries help keep your home security system operating smoothly. Explore a wide selection designed to meet the needs of various home security setups, so you can stay confident in the safety and security of your space.

Some products may be subject to Environmental Handling Fees (EHF) depending on your province. Learn more about EHFs .
  1. Ring Quick-Release Battery Pack (8AB1S7-0FC0) Love Shopping at Best Buy

    About this product

    A rechargeable battery pack that provides quick, convenient power for compatible Ring doorbells and cameras.

    A rechargeable battery pack that provides quick, convenient power for compatible Ring doorbells and cameras.

    What customers like

    • Reliable backup power
    • Good value for the price
    • Long-lasting battery life
    • Easy to install and swap
    • Convenient quick-release design
    4.8 (7,320 reviews)
    $49.99 Your price for this item is $49.99
  2. DURACELL Optimum Aa Batteries | 8 Count Pack | Lasting Power Double A Battery | Alkaline Aa Battery Ideal for Household And Office Devices The best

    About this product

    An alkaline AA battery pack delivering long-lasting power for household and office devices.

    An alkaline AA battery pack delivering long-lasting power for household and office devices.

    What customers like

    • Long-lasting power
    • Good value and savings
    • Trusted and high-quality brand
    • Reliable performance for various devices
    • Convenient and innovative packaging
    4.8 (6,320 reviews)
    $38.97
    SAVE $12
    Your price for this item is $38.97
  3. DURACELL Optimum Aa Batteries 12 Count Pack Lasting Power Double A Battery Alkaline Aa Battery Ideal for Household And Office Devices Resealable Great battery

    About this product

    A pack of 12 alkaline AA batteries offering long-lasting power for household and office devices.

    A pack of 12 alkaline AA batteries offering long-lasting power for household and office devices.

    What customers like

    • Long-lasting power
    • Versatile for many devices
    • Convenient and resealable packaging
    • Trusted brand reputation
    • Reliable performance
    4.8 (6,320 reviews)
    $57.97
    SAVE $17
    Your price for this item is $57.97
  4. DURACELL Optimum - Pack Of 4 Long Life Aa Batteries, Resealable Packaging These batteries are best to use with something that you use a lot to get the best effective use out of

    About this product

    A pack of four long-lasting AA batteries with convenient resealable packaging for easy storage.

    A pack of four long-lasting AA batteries with convenient resealable packaging for easy storage.

    What customers like

    • Convenient resealable packaging
    • Long-lasting battery life
    • Trusted brand reputation
    • Versatile for various devices
    • Reliable performance for high-drain devices
    4.8 (6,320 reviews)
    $19.97
    SAVE $6
    Your price for this item is $19.97
  5. MERCHANDISE 2110547 Duracell Aa Alkaline Size Battery 24 Count Best batteries

    About this product

    A pack of 24 AA alkaline batteries providing reliable, long-lasting power for everyday devices.

    A pack of 24 AA alkaline batteries providing reliable, long-lasting power for everyday devices.

    What customers like

    • Long-lasting power
    • Convenient packaging and storage
    • Durable and leak-resistant design
    • Good value for money
    • Reliable and consistent performance
    4.7 (5,605 reviews)
    $38.97
    SAVE $12
    Your price for this item is $38.97
  6. Energizer Ultimate Lithium AA Batteries - 8 Pack Great value

    About this product

    An 8-pack of lightweight AA batteries delivering long-lasting power and reliable performance in extreme temperatures.

    An 8-pack of lightweight AA batteries delivering long-lasting power and reliable performance in extreme temperatures.

    What customers like

    • Long-lasting power
    • Lightweight and durable
    • Works in extreme temperatures
    • Leak-proof and safe design
    • Reliable performance
    4.8 (2,368 reviews)
    $18.99
    SAVE $11
    Your price for this item is $18.99
  7. DURACELL Optimum Aaa Batteries 8 Count Pack Lasting Power Triple A Battery Alkaline Aaa Battery Ideal for Household And Office Devices Resealable The best

    About this product

    An alkaline battery pack offering long-lasting power for household and office devices in a resealable package.

    An alkaline battery pack offering long-lasting power for household and office devices in a resealable package.

    What customers like

    • Long-lasting power
    • Convenient resealable packaging
    • High quality and durability
    • Trusted brand reputation
    • Reliable performance
    4.9 (1,284 reviews)
    $38.97
    SAVE $12
    Your price for this item is $38.97
  8. Energizer Speciality Battery (ECR2450BP) Great batteries

    About this product

    A long-lasting miniature battery ideal for keyless entry, calculators, watches, and home security devices.

    A long-lasting miniature battery ideal for keyless entry, calculators, watches, and home security devices.

    What customers like

    • Long-lasting battery life
    • Easy to install and replace
    • Affordable price
    • Reliable performance and quality
    • Compatible with various devices
    4.8 (484 reviews)
    $9.99 Your price for this item is $9.99
  9. Best Buy Essentials CR123 Lithium Batteries - 6 Pack Love this product

    About this product

    A pack of six lithium batteries offering reliable, long-lasting power for devices in all temperatures.

    A pack of six lithium batteries offering reliable, long-lasting power for devices in all temperatures.

    What customers like

    • Comparable to top brands
    • Good value for money
    • Long-lasting battery life
    • Affordable price
    • Reliable performance
    4.7 (439 reviews)
    $19.99 Your price for this item is $19.99
  10. eufy Backup Battery for HomeBase 2 great addon

    About this product

    A white backup battery that keeps your HomeBase 2 security system powered for up to 8 hours.

    A white backup battery that keeps your HomeBase 2 security system powered for up to 8 hours.

    4.8 (5 reviews)
    $49.97 Your price for this item is $49.97
  11. POWERIZER 4-Pack Cr123A 3 Volt Lithium Batteries (Cr17345)

    About this product

    A pack of four 3-volt lithium batteries ideal for powering cameras, flashlights, and other electronics.

    A pack of four 3-volt lithium batteries ideal for powering cameras, flashlights, and other electronics.

    $14.39 Your price for this item is $14.39
  12. TENERGY 8 X Rcr123A 3.7 Volt 650Mah Li-Ion Batteries (2 X 4-Pack In Case) (Arlo Certified)

    About this product

    A set of eight rechargeable 3.7V 650mAh Li-ion batteries, ARLO certified and packed in cases.

    A set of eight rechargeable 3.7V 650mAh Li-ion batteries, ARLO certified and packed in cases.

    $114.69 Your price for this item is $114.69
  13. TENERGY 16 X Rcr123A 3.7 Volt 650Mah Li-Ion Batteries (4 X 4-Pack) (Arlo Certified)

    About this product

    A pack of rechargeable 3.7V 650mAh Li-ion batteries certified for use with Arlo devices.

    A pack of rechargeable 3.7V 650mAh Li-ion batteries certified for use with Arlo devices.

    $212.69 Your price for this item is $212.69
  14. PANASONIC 500-Pack Cr123A 3 Volt Lithium Batteries (Cr17345)

    About this product

    A bulk pack of reliable 3V lithium batteries ideal for powering cameras, flashlights, and electronics.

    A bulk pack of reliable 3V lithium batteries ideal for powering cameras, flashlights, and electronics.

    $1,361.39 Your price for this item is $1361.39
  15. POWERIZER 250-Pack Cr123A 3 Volt Lithium Batteries (Cr17345)

    About this product

    A bulk pack of 3V lithium batteries ideal for powering cameras, flashlights, and other electronic devices.

    A bulk pack of 3V lithium batteries ideal for powering cameras, flashlights, and other electronic devices.

    $439.39 Your price for this item is $439.39
  16. DURACELL 4-Pack Dl1/3N (2L76) 3 Volt Lithium Batteries

    About this product

    A reliable set of four 3V lithium batteries designed for long-lasting power in various devices.

    A reliable set of four 3V lithium batteries designed for long-lasting power in various devices.

    $34.99 Your price for this item is $34.99
  17. PANASONIC 100-Pack Cr123A 3 Volt Lithium Batteries (Cr17345)

    About this product

    A reliable pack of 100 lithium batteries delivering consistent 3V power for various electronic devices.

    A reliable pack of 100 lithium batteries delivering consistent 3V power for various electronic devices.

    $309.99 Your price for this item is $309.99
  18. POWERIZER 8-Pack Cr123A 3 Volt Lithium Batteries (Cr17345)

    About this product

    A pack of 8 CR123A 3 Volt Lithium Batteries suitable for various electronic devices.

    A pack of 8 CR123A 3 Volt Lithium Batteries suitable for various electronic devices.

    $23.79 Your price for this item is $23.79
  19. PANASONIC 10-Pack Cr123A 3 Volt Lithium Batteries (Cr17345)

    About this product

    A pack of ten 3V lithium batteries designed for reliable, long-lasting power in various devices.

    A pack of ten 3V lithium batteries designed for reliable, long-lasting power in various devices.

    $39.99 Your price for this item is $39.99
  20. PANASONIC 400-Pack Cr123A 3 Volt Lithium Batteries (Cr17345)

    About this product

    A bulk pack of 3V lithium batteries ideal for powering cameras, flashlights, and other electronic devices.

    A bulk pack of 3V lithium batteries ideal for powering cameras, flashlights, and other electronic devices.

    $1,195.99 Your price for this item is $1195.99
  21. PANASONIC 48-Pack Industrial Cr123A 3 Volt Lithium Batteries (Cr17345)

    About this product

    A pack of 48 industrial-grade 3V lithium batteries designed for reliable, long-lasting power.

    A pack of 48 industrial-grade 3V lithium batteries designed for reliable, long-lasting power.

    $261.39 Your price for this item is $261.39
  22. PANASONIC 800-Pack Cr123A 3 Volt Lithium Batteries (Cr17345)

    About this product

    An 800-pack of 3V lithium batteries ideal for powering cameras, flashlights, and other electronic devices.

    An 800-pack of 3V lithium batteries ideal for powering cameras, flashlights, and other electronic devices.

    $1,911.99 Your price for this item is $1911.99
  23. POWERIZER 16-Pack Cr123A 3 Volt Lithium Batteries (Cr17345)

    About this product

    A pack of 16 lithium batteries delivering reliable 3V power for various electronic devices.

    A pack of 16 lithium batteries delivering reliable 3V power for various electronic devices.

    $40.69 Your price for this item is $40.69
  24. PANASONIC 1000-Pack Industrial Cr123A 3 Volt Lithium Batteries (Cr17345)

    About this product

    A bulk pack of industrial-grade 3V lithium batteries ideal for high-performance office and electronic devices.

    A bulk pack of industrial-grade 3V lithium batteries ideal for high-performance office and electronic devices.

    $2,351.99 Your price for this item is $2351.99

Batteries For Home Security Systems

When it comes to protecting your home and loved ones, the reliability of your security system is paramount. Whether you’re a homeowner with a comprehensive alarm setup or a renter relying on wireless security devices, the heartbeat of your system is often the battery powering it. Batteries for home security systems come in a variety of sizes and chemistries, each tailored to the specific demands of motion sensors, control panels, cameras, door contacts, and sirens. As the summer days stretch into August, many Canadians take vacations or spend more time outdoors, making it especially important to ensure every component of your home security system is running smoothly. A sudden power loss or a depleted home alarm battery can leave your property vulnerable, so having a reliable supply of replacement batteries on hand is a smart, proactive measure. Some systems require specialized backup batteries designed to provide hours of uninterrupted power during outages, while others use more common sizes like AA, AAA, or 9V for individual sensors and detectors. Checking your system’s battery status before heading out for a cottage weekend or family trip can offer peace of mind, knowing your home remains protected even when you’re away.

Batteries for home security systems are not only essential for homeowners but also make thoughtful, practical gifts for new homeowners, students moving into their first apartments, or anyone setting up a DIY security system. The versatility of these batteries means they’re suitable for a wide range of devices, from window alarms to wireless cameras. For families with elderly relatives or those who travel frequently, gifting a set of backup batteries can be a considerate gesture, ensuring their security systems remain operational year-round. Many Canadians also take the opportunity during late summer to check and refresh the batteries in their home security systems as part of their seasonal maintenance routines, alongside tasks like cleaning gutters or servicing air conditioners. It’s a simple step that can prevent unexpected interruptions and keep your alarm system ready to respond at all times. When selecting the right battery, consider factors such as compatibility with your system, expected lifespan, and ease of installation. Some batteries offer extended performance for high-drain devices, while others are designed for long-term standby use. It’s always wise to keep a few extras in a dedicated drawer or toolkit, especially if your system uses a mix of battery types. For those looking to stock up on other essential batteries for household safety devices, be sure to explore options like Aaa Batteries For Smoke Detectors to keep every corner of your home protected.

As you review your home’s security setup this season, remember that regular battery replacement is a small investment that pays dividends in peace of mind and protection. Whether you’re installing a new system or maintaining an existing one, choosing the right home alarm battery ensures your sensors, panels, and alerts function seamlessly. The right batteries can mean the difference between a reliable alert and a missed notification, especially during critical moments. Make battery checks a regular part of your home care routine, and enjoy the confidence that comes with knowing your security system is always ready to safeguard what matters most.

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