The Best Battery Smoke Detector of 2023

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)

Complies with all current 10-year legislation in U.S. states/cities where required

Alarm features an ionization sensor for smoke detection, which is effective in recognizing smoke from flaming fires such as paper and grease fires

Battery-operated unit provides continuous monitoring even if there's a power failure: Plus, it's easy to install

Alarm also features loud 85-decibel alarm, easy mounting bracket, a single test/silence button, and an end-of-life signal so you know when to replace the unit

To ensure complete protection make sure to place one on each level of your home and in each bedroom. Same features as SA340CN and SA340B but adds Sealed Battery Technology.

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)

No Battery Changes for the Life of the Alarm; 3V Lithium Power Cell Included

Ionization Sensor

Perfect Mount allows for easy alignment of alarm

10-year limited warranty

No Battery Changes for the Life of the Alarm; 3V Lithium Power Cell Included

Ionization Sensor

Perfect Mount allows for easy alignment of alarm

10-year limited warranty

Talking alarm announces the hazard type detected, helping to speed up reaction time

A single unit can be installed where previously two were needed

Battery safeguard ensures the unit cannot be accidentally mounted without batteries installed

Test-reset button tests alarm circuitry and triggers the voice announcement

Meets requirements of Underwriters Laboratories (UL), an independent facility that tests products for safety compliance

Keep your family safe with this hardwired smoke and carbon monoxide alarm; The battery backup means constant monitoring, even if there's a power failure

Features electrochemical Carbon Monoxide sensing technology as well as a photoelectric sensor equipped with Optipath 360 technology that enhances detection with 360 degree access and reliably detects smoke from smoldering fires

In case of danger, the loud spread spectrum alarm is designed to be heard easily by even those with some hearing issues

Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected

10 year limited warranty; Equipped with end of life signal chirp, so you know when it's time to replace the unit for your safety

Rigorously tested to meet UL standards

Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety

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)

Ionization sensing technology - hardwired smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire

Easy installation & no battery fuss - smoke alarm will automatically activate when attached to the mounting bracket

Test-silence button - allows for test & silence of alarm

Replacement Alert - indicates when the smoke alarm needs to be replaced; tamper-resistant technology deters removal of the unit or battery from the wall or ceiling

UL Certified, 10-year limited warranty

Sealed-in lithium battery never replace battery over the ten-year life of the alarm

Smart hush temporarily silences nuisance alarms and will not allow hush mode to be activated unless the unit is in alarm mode

Rapidly flashing red LED alerts the user if the alarm has sounded since the last time the test reset button was used

Kidde's smoke alarms meet the requirements of Underwriters Laboratories (UL), an independent facility that tests products for compliance with widely-accepted safety standards

Test Button & Low Battery Signal: The smoke alarm is easily to test by pressing the button more than 5 seconds. If low battery there will be a signal alarm,which will recall you to change a new battery,then the smoke detectors will work as usual.

Safety Clip Feature: The photoelectric smoke detectors are not allowed mounting without battery install,so don't worry about the fire risk if you forget the battery.

Easy Install & Replacement Battery: The smoke detector is 9V battery operated,which can be quickly replaced.There 2 expansion screws in the box to help you install the alarm.

10 Years Life Time: The smoke alarm have 10-year long life(Not the battery life time) with loudly alarm(Loud>85dB) alarm signal at 3 meters,to make the room person can hear the alarm clearly when the smoke alarm is chirping,There will be enough time to leave from the dangerous.

Home Protection: Working smoke smoke detector cut the risk of dying in a home fire by 50%, and that's important because a home fire starts every 83 seconds! The faster you realize a fire warning,the more time you can escape from the fire.