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Best Smoke Detector Battery Size

From leading brands and best sellers available on the web.
#1

Winner

Lifesaver

Lifesaver

Lifesaver 240V Photoelectric Smoke Alarm with 9V Battery Back Up

#2
Lifesaver

Lifesaver

Lifesaver 6800 240V Photoelectric Smoke Alarm with 9V Battery Back Up AS3786:2014

#3
Amazon Bas

Amazon Basics

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

#4
LEVSUPTY 7

LEVSUPTY

LEVSUPTY 7 Pack Wireless Interconnected Photoelectric Smoke Alarm with Remote, 10 Year Lithium Battery,Compliant in All States Including Queensland 2022 Laws,AS 3786:2014 Certification

#5
LEVSUPTY 5

LEVSUPTY

LEVSUPTY 5 Pack Wireless Interconnected Photoelectric Smoke Alarm with Remote, 10 Year Lithium Battery,Compliant in All States Including Queensland 2022 Laws,AS 3786:2014 Certification

#6
LEVSUPTY 1

LEVSUPTY

LEVSUPTY 10 Pack Wireless Interconnected Photoelectric Smoke Alarm with Remote, 10 Year Lithium Battery,Compliant in All States Including Queensland 2022 Laws,AS 3786:2014 Certification

#7
CR123A / C

GP

CR123A / CR123 3V Lithium Battery, GP Extra 10 Pack CR 17345 Batteries for Digital Cameras,Alarm Systems,Security Systems,Smoke Detectors,Flashlights and More (10 Pack)

#8
Smoke Alar

24m

Smoke Alarm Fire Detector Photoelectric w/ 9V Battery 24m® Australian Standard

#9
8 Pack Wir

LEVSUPTY

8 Pack Wireless Interconnected Photoelectric Smoke Alarm with Remote, 10 Year Lithium Battery,Compliant in All States Including Queensland 2022 Laws,AS 3786:2014 Certification

#10
Lifesaver

Lifesaver

Lifesaver 6800RL 240V Photoelectric Smoke Alarm with Rechargeable Lithium Battery Back Up AS3786:2014