10 Best 9 Volt Battery For Smoke Detector of December 2025

• Duracell 9V batteries: The Duracell Coppertop 9 volt alkaline battery is designed for use in household items like garage door openers, smoke detectors, and more
• Duracell guarantees these batteries against defects in material and workmanship. Should any device be damaged due to a battery defect, we will repair or replace it at our option.*
• Long Lasting Power: Duracell alkaline batteries are designed and developed for long lasting performance.
• Guaranteed for 5 years in Storage: Duracell 9V alkaline batteries are guaranteed for 5 years in storage.
• #1 Trusted Battery Brand: Duracell CopperTop batteries are available in Double A (AA), Triple A (AAA), C, D and 9V sizes.

Duracell

• Duracell 9V Batteries: The Duracell CopperTop 9 Volt alkaline battery is designed for use in household items like garage door openers, smoke detectors, and more
• Duracell guarantees these batteries against defects in material and workmanship; Should any device be damaged due to a battery defect, we will repair or replace it at our option
• Long Lasting Power: Duracell alkaline batteries are designed and developed for long lasting performance
• Guaranteed for 5 years in Storage: Duracell 9V alkaline batteries are guaranteed for 5 years in storage
• Number 1 Trusted Battery Brand: Duracell CopperTop batteries are available in Double A (AA), Triple A (AAA), C, D and 9V sizes

Duracell

• One 4-pack of 9-volt alkaline batteries for reliable performance across a wide range of devices
• Ideal for household items like garage door openers, smoke detectors, radios, toys, and more
• Improved design offers a 5-year leak-free shelf life; store for emergencies or use right away
• Ships in Certified Frustration-Free Packaging; backed by an AmazonBasics 1-year limited warranty
• Note: these batteries are NOT rechargeable. For reusable options, check out AmazonBasics rechargeable batteries
• To learn more about recycling single-use batteries, simply copy/paste this link into your browser: call2recycle.org/what-can-i-recycle

AmazonBasics

• 4-pack of Energizer MAX alkaline 9V batteries
• Our long-lasting MAX 9 Volt batteries power everyday devices
• Made with POWERSEAL Technology to lock in power
• Power for your nonstop family’s must-have devices like toys, flashlights, clocks, remotes, and more
• Holds power up to 5 years in storage—so you’re never left powerless
• From the makers of the #1 longest lasting AA battery and the Energizer Bunny
• Energizer created the world’s first zero mercury alkaline battery (commercially available since 1991), and it hasn’t stopped innovating since

Energizer

• Premium Alkaline 9V Batteries, 2 Pack of Rayovac Fusion Batteries
• No 9V Alkaline Battery Lasts Longer on ANSI Average Performance Tests
• Excels in High-Powered 9V Battery Devices – High-Tech Toys, Smoke Detectors, Wireless Microphones & More
• Designed to Prevent Damaging Battery Leaks & Tested Twice Prior to Shipment
• Rayovac Fusion 9V Batteries Hold Power Up to 5 Years in Storage

Rayovac

• Easy installation – No wiring required
• Battery operated (9V battery included) – Provides continuous protection even during power failures
• Flashing LED – Indicates alarm is receiving power
• Test button – Verifies battery and alarm operation
• Low battery indicator – Chirps when battery needs replacement

Kidde

• Help keep your family safe with this battery powered smoke alarm featuring an ionization sensor for smoke detection; a loud 85 decibel alarm sounds when smoke levels are elevated
• Ionization sensor is effective in recognizing smoke from flaming fires such as paper and grease fires
• Battery operated alarm unit provides continuous monitoring even if there's a power failure; Plus, it's easy to install
• Tamper resistant alarm also features a single test/silence button, side battery door, and missing battery guard
• To ensure complete protection make sure to place one on each level of your home and in each bedroom
• It can ship within the US except New York
• First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)

FIRST ALERT

• 2-pack of Energizer Ultimate Lithium 9V batteries
• Our Longest-Lasting 9V Battery
• Powers your most critical devices—ideal for your smart home devices, outdoor surveillance systems, digital cameras, and handheld games
• Holds power up to 10 years in storage for trustworthy backup energy, so you’re always prepared
• Performs in extreme temperatures, from -40F to 140° F, for year-round, indoor and outdoor use

Energizer

• 8 Pack of Energizer Max Alkaline 9V Batteries
• Our long lasting MAX 9 Volt batteries power everyday devices
• Power for your nonstop family’s must have devices like toys, flashlights, clocks, remotes, and more
• Power for your nonstop family’s must have devices like toys, flashlights, clocks, remotes, and more
• Holds power up to 5 years in storage, so you’re never left powerless
• From the makers of the No.1 longest lasting AA battery (Energizer Ultimate Lithium), and the Energizer Bunny
• Energizer created the world’s first zero mercury alkaline battery (comillimeterercially available since 1991), and it hasn’t stopped innovating since

Energizer

• 【High Sensitive & Quick Responsive】: This smoke alarm adopts photoelectric technology to detect smoke. More sensitive to light smoke and slow smoldering fires, Timely alarm. Even in sleeping, there is no need to worry.
• 【Alarm Condition】: When the smoke alarm device detect particles of combustion and the concentration of smoke reaches the alarm threshold, the red LED will flash rapidly (one flash per second).The rapid flashing LED and pulsating alarm will continue until the air is cleared or the test button is released.
• 【Easy Installation】: Comes with a mounting bracket, screws and anchor plugs, just drilling holes in appropriate positions. Powered by one 9V battery (included), it will not be affected by power outage. Low power consumption, service live about 10 years. When an intermittent "chirp" accompanied by a red LED flash every 32 seconds indicates a low battery.
• 【Wide Range of Applications】: ABS material is heat-resistant and high-temperature resistant, and does not contain any radioactive material. Smoke alarms are suitable for most occasions, including Bedrooms, Corridors, Warehouse, Hotels, Offices, etc. Let you and your family get more care.
• 【Purchase Notes】: If you encounter any problems, please contact the seller in time, we will give you a satisfactory solution. Attention: 1. Please test it once a month to ensure that the smoke alarm works properly. 2. Please clean the dust on the alarm every 6 months to prevent false alarming caused by clogged smoke alarms.

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