10 Best 10 Year 9v Battery For Smoke Detector of 2025

Tested and Reviewed: Top 10 10 Year 9v Battery For Smoke Detector deals with expert ratings from 8.1 to a perfect 10

August 2025 Edition

Editor's Choice

9.7

Amazon Basics

Amazon Basics 8-Pack 9 Volt Lithium High-Performance Batteries, Up to 10-Year Shelf Life, Long Lasting Power

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Editor's bottom line:

“This 10 year 9v battery for smoke detector is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

IN THE BOX: 8-pack of 9-volt lithium batteries
DEVICE COMPATIBLE: Ideal for digital cameras, handheld games, smart home devices, outdoor surveillance systems, and more
DESIGNED TO LAST: retains power for up to 10 years in storage; store for later or use right away. Suitable for indoor and outdoor use; performs in extreme temperatures, ranging from -40° F to 140° F
EASY USE & STORAGE: Ships in easy-to-open packaging
SINGLE USE: These batteries are NOT rechargeable; for rechargeable options, check out Amazon Basics rechargeable batteries

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Picked by 175 people today

Best Value

9.5

Save 27%

Energizer

Energizer Ultimate Lithium 9V Batteries (2 Pack), Lithium 9 Volt Batteries

27% OffFree Shipping

Main Highlights

2 pack of Energizer Ultimate Lithium 9V Batteries
Lasts up to 20 percent longer in toys versus Energizer MAX batteries
Performance in extreme temperatures from -40 F to 140 F ensures reliable use in all seasons
Long lasting batteries have leak-resistant construction
Lightweight 9 volt batteries last up to 10 years in storage
Ideal battery for toys and clocks, and long lasting smoke detector battery

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9.5

DURACELL

Duracell Coppertop 9V Battery, 6 Count (Pack of 1), 9 Volt Battery with Long-lasting Power, All-Purpose Alkaline 9V Battery for Household and Office Devices

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Main Highlights

LONG-LASTING BATTERIES DESIGNED FOR DEPENDABILITY: Duracell Coppertop 9 Volt alkaline batteries deliver the lasting power and performance you can count on for electronic devices throughout the home or on-the-go.
GUARANTEED FOR 5 YEARS IN STORAGE: Duracell guarantees each Coppertop 9 Volt alkaline battery to last 5 years in storage, so you can be confident these batteries will be ready when you need them.
# 1 TRUSTED BATTERY BRAND: From storm prep to holiday needs, Duracell is the # 1 trusted battery brand.
QUALITY ASSURANCE: With Duracell batteries, quality is assured; every Duracell product is guaranteed against defects in material and workmanship.Duracell product is safe against defects in material and workmanship
AVALIBLE SIZES: Duracell Coppertop alkaline batteries are available in C batteries, D batteries and 9V batteries sizes. AA & AAA batteries are also available with PowerBoost ingredients.

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9.2

Save 16%

Allmax Battery

Allmax 9V Lithium Batteries (4 Count) – Longest Lasting, Leakproof, 10-Year Shelf Life, Ultimate Performance – Perfect for Smoke Detectors (9 Volt)

16% OffFree Shipping

Main Highlights

Maximum Power Allmax 9V Maximum Power Lithium Batteries are ultra-premium batteries built with the highest-quality components and EnergyCircle Technology to supply uncompromising, maximum power to your high-drain devices.
Longest Lasting Allmax 9V Lithium Batteries are the longest lasting batteries in our lineup, and outperform standard alkaline batteries in performance tests. This means you can expect Allmax 9V Lithium Batteries to last the longest.
Guaranteed Leakproof Allmax 9V Lithium batteries use EnergyCircle Technology to ensure a secure seal and prevent electrolyte leakage, resulting in unparalleled reliability and guaranteed leakproof performance. This makes Allmax batteries ideal for both everyday household and business applications.
10-Year Shelf Life Allmax 9V Lithium Batteries are always fresh and maintain power for up to 10 years in proper storage. This makes Allmax batteries the perfect choice for long-term storage and emergency preparedness kits.
Ultimate Performance Allmax 9V Lithium Batteries perform extremely well with highest drain devices and in a wide variety of temperatures ranging from -40°F to 140°F, so they work well in either hot or cold environments. Allmax 9V Lithium Batteries are perfect for electronic devices such as smart home devices, outdoor surveillance systems, digital cameras, handheld games, smoke detectors, carbon monoxide detectors, toys, garage door openers, wireless microphones, stud finders, walkie-talkies, multimeters, alarm clocks, wireless transmitters, dog bark controllers, and more!

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9.0

DURNERGY

DURNERGY 9V Batteries 12 Pack, 10-Year Shelf Life, 9v Battery for Smoke Detector, 9 Volt Power Supply for Guitar Pedals, Square Batteries 9V Alkaline Batteries

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Main Highlights

EXCELLENT PERFORMANCE: The 9 volt batteries are composed of 6 small dry batteries LR61 connected in series. Smoke detector batteries 9 volt size pack has stable performance and durable power, which is 6-8 times that of ordinary carbon 9V battery.
SAFE AND LEAK-PROOF: The 9volt batteries 12 pack shell is made of corrosion-resistant steel shell with good sealing, which can effectively prevent the 9v battery for smoke detector from leaking during transportation and use.
WIDE APPLICATION: Fire alarm batteries have many uses, convenient and practical, and smoke alarm batteries can be used for smoke alarms, electric guitars, multimeters, wireless microphones, line measuring instruments, infrared thermometers, game controllers, etc.
ENVIRONMENT FRIENDLY: Battery 9 volt batteries 12 pack+ dont contain Hg/Cd/Pb, the composition of 9 v batteries for smoke detector is environmentally friendly and 9volt battery pack will not cause pollution to the environment, contributing to a green and healthy life.
AFTER-SALES SERVICE: The DURNERGY has been specializing in the industry for 17 years, and the 9 v battery has the highest quality materials and workmanship, tested to strict quality standards. Any questions about the square batteries 9v size can contact us and we will provide you with the best quality service.

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8.8

Save 6%

Ultralife

ULTRA LIFE, 10 year, smoke alarm battery, U9VL-X

6% OffFree Shipping

Main Highlights

Voltage: 9V
Battery type: Lithium Manganese Dioxide
Battery Capacity: 1200 mAh
Upgrade all your smoke detectors to 10-year life with the only battery warranted for 10 years
Reliable lithium battery keeps life-saving detectors energized for a full 10 years
Eliminate the cost and inconvenience of yearly battery changes in your smoke detectors
Forget all those low battery alarms that always seem to sound in the middle of the night
A must for second homes where smoke detectors can fail when you're not there

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8.6

Save 7%

Tenergy

Tenergy 9V Lithium Batteries, 1200mah Non-Rechargeable Batteries, 10 Years Shelf Life Lithium 9 Volt Batteries, 2 Pack

7% OffFree Shipping

Main Highlights

Longer runtime 9V - Tenergy's 2 pack 9V Lithium batteries offer 2.5 times more power than traditional 9V batteries. Provides enough power to last up to 10-years as a backup battery in ac-powered smoke detectors.
Low self-discharge - Tenergy 9volt lithium battery features ultra-low self-discharge of only 2% a year and are date stamped for freshness. These batteries will provide power, even after 10 years in proper storage.
Rounded fit - Tenergy's non-rechargeable batteries 9 volts is slightly slimmer with rounded edges and corners ensuring a wider fit in 9volt electronics.
Wide temperature range - Use these batteries in your devices outdoors or inside and receive reliable power whether it's as cold as -4°F or as hot as 140°F.
Tested and certified by UL standards. Included with every purchase is free lifetime support from our local team based in California.

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8.3

DURNERGY

DURNERGY 9V Batteries, 9 Volt Batteries 8 Pack,10-Year Shelf Life, 9V Batteries for Smoke Alarms, Guitar Pedals, Microphone, Smoke Detector Battery, Square Batteries 6LR61 9V Alkaline Batteries

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Main Highlights

EXCELLENT PERFORMANCE: The service life of 6LR61 9v alkaline batteries is 6-8 times that of ordinary carbon 6f22 9v battery. The smoke detector battery provides long-lasting power and reliable performance for fire alarms and other devices.
SAFE AND LEAK-PROOF: 6LR61 9 v battery alkaline got CE certification, The square battery 9v shell is made of corrosion-resistant steel shell with good sealing, which can effectively prevent the 9v battery for smoke detector from leaking during transportation and use.
WIDE APPLICATION: 9v battery for smoke detector, eliminator, gun safe, garage door opener, transistor radio, bass guitar, bathroom scale, metal detector, paintball gun, microphones, multimeters, measuring instruments, infrared thermometers, etc.
ENVIRONMENT FRIENDLY: 9v batteries for smoke detector dont contain Hg/Cd/Pb, the composition of 9 v batteries for smoke detector is environmentally friendly and 9volt battery pack will not cause pollution to the environment, contributing to a green and healthy life.
100% Satisfaction Guarantee: If you have any dissatisfaction or questions about our batteries 9 volt size pack, please feel free to contact us. We will provide you with solutions and return services.

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8.1

Amazon Basics

Amazon Basics 4-Pack 9V Alkaline Batteries, 5-Year Shelf Life - for Smoke/CO Detector, Electronics & Audio

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Main Highlights

IN THE BOX: 4-pack of 9-volt alkaline batteries for reliable performance across a wide range of devices
DEVICE COMPATIBLE: Ideal for household items like garage door openers, smoke detectors, radios, toys, and more
LONG LASTING: 5-year leak-free shelf life; store for emergencies or use right away
EASY USE & STORAGE: Ships in Certified Frustration-Free Packaging; easy to open and store extras for later
SINGLE USE: These batteries are NOT rechargeable; for rechargeable options, check out Amazon Basics rechargeable batteries

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8.1

PKCELL

PKCELL 9V Battery Carbon Zinc for Smoke Detectors 6F22 Battery, 10-Year Shelf Life，Ultra Long-Lasting(4 Count)

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Main Highlights

POWERFUL ENERGY- PKCELL 9V 6F22 Batteries with ultra long-lasting power,and a long service life also means the battery should be changed at a lower frequency than smaller cells, making them ideal battery.
RELIABLE QUALITY-It is an affordable, reliable, dedicated low-power solution to provide sufficient energy to your application. Ideally used in circuits with low power consumption so that it can work for longer durations.
SAFE TO USAGEThis batteries are made with advanced technology, does not contain chromium, lead, or mercury chemicals, and is double-sealed for safety and leakage.
MULTIPLE APPLICATIONS-Suitable for smoke alarms, smoke detectors, walkie-talkies, transistor radios, test and instrumentation devices, medical batteries, LCD displays, and other small portable appliances.In proper storage, these batteries can hold power for up to 3 years.
AFTER-SALES SERVICE-If you have any questions, please feel free to contact us. We are committed to providing the highest quality products and outstanding customer service.

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Our Best Overall Choice

Best Choice

9.7

Amazon Basics

Amazon Basics 8-Pack 9 Volt Lithium High-Performance Batteries, Up to 10-Year Shelf Life, Long Lasting Power

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

IN THE BOX: 8-pack of 9-volt lithium batteries
DEVICE COMPATIBLE: Ideal for digital cameras, handheld games, smart home devices, outdoor surveillance systems, and more
DESIGNED TO LAST: retains power for up to 10 years in storage; store for later or use right away. Suitable for indoor and outdoor use; performs in extreme temperatures, ranging from -40° F to 140° F
EASY USE & STORAGE: Ships in easy-to-open packaging
SINGLE USE: These batteries are NOT rechargeable; for rechargeable options, check out Amazon Basics rechargeable batteries

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