Updated: 03 Apr 2026

10 Best smoke alarm batteries of 2026

Explore up to 23% Off

Updated: 03 Apr 2026

#1

Best Choice

EBL 9V Rechargeable Batteries NiMH 280mAh 9V Battery for Smoke Alarm Detector, 4-Packs

9.9

EBL

Read more

Main highlights

Recommended for a variety of devices including smoke alarms, digital cameras, game controllers, toys, and clocks and medical devices.

Batteries: 4 Counts rechargeable 9V batteries NIMH Nickel Metal Hyoride Battery.

Allows you to enjoy up to 5.5 hours of toy activity (Results may vary by device and usage).
#2

Best Value

Energizer MAX 9V Batteries, Long Lasting, 5 Year Shelf Life, 4 Pack

9.6

Energizer

-14%

Read more

Main highlights

Trusted Power: Energizer batteries for your most in-demand essentials, like smoke detectors, remote controls, toys and doorbells

Long Lasting: Reliable power to keep your devices going

4-pack of Energizer Max 9V batteries, Alkaline

-14%
Curious about how we select the top products for you? Explore How It Works

How do we rank
Our AI-powered platform ranks products using multiple weighted factors from millions of products and user reviews across the web, providing the most valuable and real data. Higher scores rank first.
#3

Battery 9 V 6F22 Block Batteries 3 Year Shelf Life for Smoke Detectors, Detectors, Microphones, Multimeters, Pack of 4 PKCELL

9.3

PKCELL

Read more

Main highlights

Service life: the storage time of the batteries is 3 years at 20 °C ± 2 °C and RH60 ± 15 %. Safety: does not contain chemicals, chrome, lead or mercury.

Chemical composition: zinc carbon, voltage: 9 V, size: height: max. 48.5 min 46.5 mm, width: max. 17.5 min15.5, length: max. 26.5 min 24.5mm

9 V batteries, 6F22 batteries have a very long-lasting performance and let your devices run longer.
#4

Energizer MAX 9V Batteries, Long Lasting, 5 Year Shelf Life, 4 Pack

9.0

Energizer

-23%

Read more

Main highlights

Trusted Power: Energizer batteries for your most in-demand essentials, like smoke detectors, remote controls, toys and doorbells

Long Lasting: Reliable power to keep your devices going

4-pack of Energizer Max 9V batteries, Alkaline

-23%
#5

Duracell Coppertop 9V 2 Pack Batteries

8.9

Duracell

-20%

Read more

Main highlights

Superior Nylon top closure helps preventing batteries from leakage

Suitable for use in keyfobs, small remotes, scales, wearable and more

Ideal for reliably powering everyday devices

-20%
#6

Warriors High Capacity 9V 9 Volt 2X Alkaline Super Long Lasting Battery Batteries Smoke Alarm Detectors Remote Control Car (2 Count)

8.8

Warriors

Read more

Main highlights

These 9V Batteries are replaceable by or also known as: 9V Batteries, nine volt batteries, 9Volt battery -6LR61, MN1604, E-Block, 6F22, PP3HP, 1604D, K9V, 6R21, 6R22, 6LF22, 6LP3146, BA3090, U006P, AM6F, 6LF62, MN1604, 1604, 4022, BLOCKR6, U9 Batteries.

Long-lasting power for your devices.Long-lasting power for your devices. Same discharge hours specs as major famous brand.

Leak-resistant design for device protection, Extended shelf life of up to 5 years.
#7

Amazon Basics 9 Volt Performance All-Purpose Alkaline Batteries, 5-Year Shelf Life, Easy to Open, Packaging May Vary - 8 Counts

8.6

Amazon Basics

Read more

Main highlights

IN THE BOX: 8-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

DESIGNED TO LAST: Improved design offers a 5-year leak-free shelf life; store for emergencies or use right away
#8

EBL 9V Rechargeable Batteries NiMH 280mAh 9V Battery for Smoke Alarm Detector, 4-Packs

8.5

EBL

-15%

Read more

Main highlights

Recommended for a variety of devices including smoke alarms, digital cameras, game controllers, toys, and clocks and medical devices.

Batteries: 4 Counts rechargeable 9V batteries NIMH Nickel Metal Hyoride Battery.

Allows you to enjoy up to 5.5 hours of toy activity (Results may vary by device and usage).

-15%
#9

Amazon Basics 4-Pack 9 Volt Alkaline Performance All-Purpose Batteries, 5-Year Shelf Life, Packaging May Vary

8.2

Amazon Basics

Read more

Main highlights

Ships in Certified Frustration-Free Packaging

High performance

AmazonBasics brings you at a great value
#10

Amazon Basics 4-Pack 9 Volt Alkaline Performance All-Purpose Batteries, 5-Year Shelf Life, Packaging May Vary

7.9

Amazon Basics

-10%

Read more

Main highlights

Ships in Certified Frustration-Free Packaging

High performance

AmazonBasics brings you at a great value

-10%