Best Battery Carbon Monoxide Detector – Top 8 of 2021

No. 1

858 Reviews

SaleNo. 2

2,380 Reviews

Voice Alarm – Announces the hazard type detected thereby helping to speed up the correct reaction to the hazard detected. Alarm announces...
Combined Carbon Monoxide and Smoke Alarm – A single unit can be installed where previously, 2 were needed. Reduces installation time and...
Audio alarm: 85 dB at 10 feet. Test/Reset Button and LEDs – Tests alarm circuitry and triggers the voice announcement. Flashing green for...
Battery - Provides protection even during power outages when many fire and carbon monoxide incidents occur. The unit warns of a low battery...
Voice Announcements - Hush Feature temporarily silences nuisance alarms with “Hush Mode Activated” and “Hush Mode Cancelled” voice...

No. 3

1,801 Reviews

Keep your family safe with this easy to use digital-display, 10-year battery operated carbon monoxide alarm; Battery powered alarms provide...
Easy-to-read backlit digital display shows temperature and CO concentration; Peak Level feature displays the highest concentration of carbon...
Built-in 10-year lithium battery offers continuous protection for the life of the carbon monoxide detector
A loud 85-decibel alarm sounds when CO levels reach dangerous levels
10-year limited warranty; Equipped with end-of-life signal chirp, so you know when it’s time to replace the unit for safety

No. 4

2,407 Reviews

Keep your family safe with this battery operated smoke and carbon monoxide alarm; Battery powered alarms provide continuous monitoring of CO...
Features an electrochemical carbon monoxide sensing technology as well as a photoelectric sensor that detects the larger particles of a...
Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85 decibel siren provides a clear, loud...
Battery operated unit installs quickly and easily without an electrician. Low battery signal mute, quiets low battery signal for up to 8...
Simple to use, with a single test/silence button; EZ access battery drawer allows you to change battery without removing alarm from ceiling

SaleNo. 5

Keep your family safe with this 2-pack of easy to use, battery operated carbon monoxide alarms; Battery powered alarms provide continuous...
Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is...
A loud 85-decibel alarm sounds when CO levels reach dangerous levels
To ensure complete protection make sure to place one on each level of your home and in each bedroom
5-year limited warranty; Equipped with end-of-life signal chirp, so you know when it’s time to replace the unit for safety

SaleNo. 6

HIGHEST QUALITY, most accurate electrochemical co sensor technology
CONVENIENT, end of life chirping signal
HELPFUL, 2 silence features that silence both alarm and low-battery chirp
FEATURES, 9-Volt Battery and all necessary mounting hardware
Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety

SaleNo. 7

392 Reviews

Tamper resist feature – Can be activated to cause unit to go into alarm if it has been unplugged or has come loose from the outlet
2 LED’s: Red - Illuminates when in alarm mode. Green – AC power is present, normal operation
Test/reset button: Tests CO alarm circuit operation and allows you to immediately silence the alarm
End of life alarm: Alerts user to replace CO alarm after 10-years of operation
Provides peace of mind against the silent killer; Temperature range: 40˚F (4.4˚C) to 100˚F (37.8˚C)

No. 8