Top 9 Co2 Detector Battery Operated – Carbon Monoxide Detectors

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Battery Operated, First Alert SCO5CN Combination Smoke and Carbon Monoxide Detector

FIRST ALERT #ad - Low battery signal mute, quiets low battery signal for up to 8 hours. Simple to use, with a single test/silence button; EZ access battery drawer allows you to change battery without removing alarm from ceiling. 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.

7 year limited warranty; equipped with end of life signal chirp, so you know when it’s time to replace the unit for safety; All first alert alarms are rigorously tested to meet UL standards. Battery operated unit installs quickly and easily without an electrician. 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 warning upon detection.

Keep your family safe with this battery operated smoke and carbon monoxide alarm; Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure. It can ship within the US except New York. Features an electrochemical carbon monoxide sensing technology as well as a photoelectric sensor that detects the larger particles of a smoldering fire.
ManufacturerFirst Alert #ad
Height5 Inches
Length2 Inches
Weight0.6 Pounds
Width5 Inches
Part NumberSCO5CN

2. Kidde


Kidde 21026043 Battery-Operated Not Hardwired Combination Smoke/Carbon Monoxide Alarm with Voice Warning KN-COSM-BA , White

Kidde #ad - Battery - provides protection even during power outages when many fire and carbon monoxide incidents occur. Humidity range: 10 percent to 95 percent relative humidity non-condensing. Alarm announces “fire” when a smoke or fire hazard is detected and announces “Warning, Carbon Monoxide” when a CO hazard is detected.

Voice alarm – announces the hazard type detected thereby helping to speed up the correct reaction to the hazard detected. Voltage volts: 4. 5. The unit warns of a low battery condition by announcing “low battery” and by initiating an alarm chirp and activating a flashing red LED. The battery door will not close unless the batteries are properly installed. Refer to the pdF attached below in the technical specification for manual. Test/reset button and leds – tests alarm circuitry and triggers the voice announcement.

Audio alarm: 85 db at 10 feet. Note: the date printed on the item is manufacturing date, not the expiration date. If the alarm had detected a co level of 100 ppm or higher, the unit will announce “Carbon Monoxide Previously Detected” to warn of the CO incident, when the Test/ Reset button is pressed. Flashing green for normal operation and flashing red for alarm condition. Reduces installation time and helps to keep home décor attractive.
BrandKidde #ad
ManufacturerKidde Safety #ad
Height5.6 Inches
Length1.8 Inches
Weight0.8 Pounds
Width5.6 Inches
Part Number21026043
Warranty5-year limited warranty

3. Furado


Carbon Monoxide Detector 3 Pack,CO Alarm Detector Sensor Battery Operated with LCD Digital Display for House Kitchen Bedroom Living Room Basement Garage Hotel Office 3AA Batteries NOT Included

Furado #ad - 999ppm' on the lcd to indicate co level over 999ppm and loud 85 decibel alarm with LED Flash While in the Alarm Mode for the life-saving safety, protect the family from carbon monoxide. 12 months worry-free product guarantee, please contact seller first once you have any questions.

Lb' on the lcs to indicate it low battery and need to replacement. Energy saving3 * 1. 5v aa battery powered co detector battery not included, Low Current consumption, Ultra-long Standy time. High sensitive & quick responsivebuild-in carbon monoxide Detector Chip and the electrochemical sensor, Enough to detect odorless invisible and deadly carbon monoxide in the air, Quick reaction to save your life in the first time when fire hazard occurs. Alarm warningwhen a dangerous level of carbon monoxide is detected the red LED will flashes and a loud alarm pattern will sound--Loud 85 decibel alarm with LED Flash.

Easy installation and widely usedco detector coming with mounting accessories, just drill holes in appropriate positions, and done; Used for bedroom, kitchen, living room and any other area with a risk of fire danger can be installed a smoke detector and CO alarm. Safety and visible carbon monoxide alarm detector with 3 digits lcd displayer is optional, 'err' on the lcd to indicate the unit is malfunctioning.
BrandFurado #ad
ManufacturerShenZhen Ding Qi Dian Zi ShangWu YouXianGongSi #ad
Height3.5 Centimeters
Part NumberCO series
ModelCO series



FIRST ALERT Carbon Monoxide Detector, 2-Pack, Battery Operated, No Outlet Required, CO400

FIRST ALERT #ad - All first alert cO alarms are rigorously tested to meet UL standards. Keep your family safe with this 2-pack of easy to use, battery operated carbon monoxide alarms; Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure.

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. A loud 85-decibel alarm sounds when CO levels reach dangerous levels. Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room.
ManufacturerFirst Alert #ad
Height4 Inches
Length9 Inches
Weight0.8 Pounds
Width6 Inches
Part Numberco400cn2

5. X-Sense


X-Sense 2-in-1 Smoke and Carbon Monoxide Detector Alarm Not Hardwired, Pack of 3, Compliant with UL 217 & UL 2034 Standards, SC06, 10-Year Battery-Operated Dual Sensor Fire & CO Alarm

X-Sense #ad - Combination smoke and carbon monoxide Alarm: One alarm to protect against 2 deadly threats, including smoke and carbon monoxide; accurately detects carbon monoxide from any potential source. Premium quality: made from a premium pc material, a 5-year warranty, ensuring exceptional quality and protection; comes with a 60-day money-back guarantee, and lifetime customer support.

10-year battery-operated smoke and co alarm: a sealed lithium battery enables the unit to keep you and your family safe and sound for up to a decade with no need to replace batteries frequently; a low battery warning lets you know the unit is coming to its end of life.

Faster response to dangers with loud 85 dB Alarm: Upgraded photoelectric and electrochemical sensors significantly increase the sensitivity of the alarm for a faster response time while minimizing false alarms. Simple installation & operation: this battery-operated unit can be installed quickly and effortlessly without an electrician; one-button operation allows you to test and silence the alarm with ease.
BrandX-Sense #ad
ManufacturerX-Sense #ad
Height6.1 Inches
Length8 Inches
Weight2.9 Pounds
Width6.3 Inches
Warranty60-day money-back guarantee, 5-year quality warranty, and lifetime technical support



Carbon Monoxide Gas Detection, CO Alarm with LCD Digital Display, Not Included Battery Powered, 2 Pack CO Detector

HCDIM #ad - Powered by 3x1. 5v aa batteries Package Not Included Battery Powered. Very easy to install at home or bedroom. Loud enough and sounds good. The alarm sound pattern is four short alarm beeps. The red led will flash while in alarm mode. Lcd displayer with a blue back ground light. Precise electro-optical sensor, move, high consistency and stability, or in the same place for that. Permanent carbon monoxide sensor. Lound 85 decibel alarm.
BrandHCDIM #ad
ManufacturerShenZhen HeChuang YiPin Technology Co.,Ltd #ad
Part NumberHCY-CO

7. X-Sense


SC07, Compliant with UL 217 & UL 2034 Standards, X-Sense 10-Year Battery Not Hardwired Combination Smoke & Carbon Monoxide Alarm with LCD Display, Pack of 3

X-Sense #ad - Large lcd display: clearly displays battery level and the real-time CO levels in PPM parts per million taken from the surrounding air, with an updated measurement taken every 10 seconds. 2-in-1 protection: equipped with both photoelectric and electrochemical CO sensors that work independently of each other; instantly notifies you when dangerous smoke or CO concentration is detected while minimizing false alarms; provides the ultimate protection from 2 deadly threats, all contained in 1 unit.

Accurate, reliable & highly sensitive: the x-sense combination smoke and co alarm has been redesigned from the inside out; it will ensure that smoke triggers the alarm instead of interference by taking 3 separate smoke samples from the surrounding air; a full 360 ° ring of air intakes ensures complete detection with no blind spots.

Built-in 10-year battery: provides 10 years of continuous power with a built-in lithium battery, saving on energy while remaining eco-friendly; saves you from constantly having to change batteries or wonder if your alarm is still functioning. Led indicator: clearly informs you of the working status of the alarm with its 3-color flashing LED indicator green LED indicates normal operation, and yellow LED indicates a fault, red LED indicates the alarm status, ensuring the safety and security of your home 24/7.
BrandX-Sense #ad
ManufacturerX-Sense #ad
Weight2.95 Pounds
Warranty60-day money-back guarantee, 5-year quality warranty, and lifetime technical support

8. Coreel


Co Alarm Detector with LCD Display, Coreel Carbon Monoxide Detector Battery Operated

Coreel #ad - The low-level blink Indicator Shows it's Working. Insurance Safety of your Life. Co alarm detector using high accurate Electrochemical Sensor Alerts you to Carbon Monoxide Danger. 100% customer satisfaction Guaranteed. Carbon monoxide Detector Beeping once Detecting CO gas. Risk & hassle Free! Easy to install. 2 pieces aa battery - powered co detector. It will mind you up to change batteries With Continuous Beeping Every 30 Seconds When The Power is Close to Run Out. 5 years Warranty. Apply for all the Place to Produce Carbon Monoxide.
BrandCoreel #ad
ManufacturerSHENZHEN SiKangDa ELECTRONICS CO.,Ltd #ad
Height1.4 Inches
Length4.3 Inches
Weight0.24 Pounds
Width4.3 Inches

9. Kidde


White, 900-0076-01, Kidde Nighthawk Plug-In AC/DC Carbon Monoxide Alarm Detector with Digital Display KN-COPP-3

Kidde #ad - Humidity range-5%-95% relative humidity RH. Power source: 120vac. 10 years after the initial power up, this alarm will “beep” 2 times every 30 seconds to indicate that it is time to replace the alarm.

Note: this co alarm is not battery operated. However, these alarms are equipped with 9 volt battery backup – the 9 volt battery is to supply short term back-up during a power outage. Temperature range-40˚f 4. 4˚c to 100˚f 37. 8˚c. Led operation – blinking dot in lower right corner of display denotes normal operation. Test button functions – Tests the unit for proper operation and resets the carbon monoxide alarm. Peak level button – displays the peak CO level recorded by the alarm since it was last reset or unplugged.
BrandKidde #ad
ManufacturerKidde #ad
Height1.75 Inches
Length6.06 Inches
Weight3 Pounds
Width3.75 Inches
Part Number900-0076
Warranty10 Year Limited