5 Best Portable Carbon Monoxide Detector For Travel

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If you are in a hurry and want to find out what the best portable carbon monoxide detector for travel is, then we recommend First Alert Dual-Power Carbon Monoxide Detector Alarm as the best one.

Carbon monoxide silently destroys by depriving the body’s tissue of oxygen. Carbon monoxide is called the silent killer. It gives no warning, has no taste, nor does it smell. 

Too much of this undetected gas can cause a person to fall into a coma. Carbon monoxide (CO) gives no warning of its presence, which is why it is so dangerous.

A portable carbon monoxide detector for traveling is a safety feature you can take anywhere. You take precautions at home for your family’s safety, so why not do the same when traveling? 

In the article ” How to safely travel with a carbon monoxide detector, ” we’ve covered in-depth how to travel with peace of mind, knowing that you’ll be alerted if there’s a carbon monoxide leak in your accommodation or vehicle.

Here are suggestions on the best portable/carbon monoxide detector for travel.

Best Portable Carbon Monoxide Detector for Travel

The best portable Carbon Monoxide detector for travel depends on your preference for value, voice control, or easy installation. 

With voice warning and transportability, the Kiddie Smoke and Carbon Monoxide Detector Alarm works best with its easy installation.

First Alert Dual-Power Carbon Monoxide Detector Alarm

First Alert CO615 Dual-Power Plug-In Carbon Monoxide Detector with Battery Backup and Digital Display, White

Every family expects to sleep safely in their home. Unfortunately, a silent killer can lurk called carbon monoxide. 

Fortunately, the First Alert Dual-Power Carbon Monoxide Detector Alarm is easily placed to alert you of this dangerous colorless, odorless gas. The device works for travel or home.

Visual/Sound alerts the family when levels of this dangerous gas seep into your home. The 85-decibel alert system also has a flashing red beacon to keep your family safe.

Low battery alert when the time arrives for a battery replacement.

The warranty: The device is guaranteed for three years, offering reliability to customers interested in making their homes safer.


  • Highly portable
  • Energy efficient
  • safe


  • battery
  • Alarm sounds sharp

Andyssey Portable Carbon Monoxide Detectors

Andyssey Portable Carbon Monoxide Detectors, CO Detector Alarm with 5-Year Replaceable Battery & Digital Display for Home, Hotel Rooms & Travel Safety, 1 Pack

The Andyssey Portable Carbon Monoxide Detector is a game-changer for your travels. Its compact size allows you to carry it in your luggage or even your pocket, ensuring you can protect yourself and your family from carbon monoxide poisoning wherever you go.

The real-time view of CO concentration and level, along with the 3-colored LED indicators, provides a clear and understandable way to monitor the device’s status, giving you peace of mind.

The long-lasting 10-year lifespan and the 85dB sound alarm ensure continuous protection without the hassle of frequent replacements.

Its simple installation and battery operation make it incredibly convenient to use, whether you place it on your desk or mount it using the included screws.

Additionally, the limited 3-year warranty offers assurance of its quality and reliability. Overall, the Andyssey Portable Carbon Monoxide Detector will be an essential travel companion, providing reliable and comprehensive CO detection with ease and convenience.


  • Easy to use
  • The alarm is quite loud.
  • It comes with batteries already installed.


  • Slightly bigger

First Alert CO605 Alarm

First Alert CO605 Plug-In Carbon Monoxide Detector with Battery Backup , White

The First Alert CO605 Alarm alerts users to carbon monoxide with an electrochemical CO device. 

The detector is easy to use and plugs into any regular wall socket. It continuously operates, even during power outages, since it has a battery backup system.

Get complete around-the-clock protection from carbon monoxide gas for your home with a sensor that plugs in to detect carbon monoxide. 

The battery installed in the sensor keeps the detector working even when the power is temporarily out.

Nothing is invincible, so this device makes a light but noticeable chirping noise, so users know it requires replacement.

The First Alert CO605 has a button that makes it simple to check for proper installation. On installation, you can test the device immediately to ensure it works. Install new batteries two times a year.


  • Alerts users to carbon monoxide in the air
  • Battery backup
  • 85-decibel alarm


  • Sharp alarm sound
  • Must replace battery

Kidde Carbon Monoxide Alarm Detector

Kidde Carbon Monoxide Detector, AA Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable

The Kidde Carbon Monoxide Alarm Detector is compact, pluggable, portable, and easy to read. As an additional asset, it is also inexpensive. 

This unit resets the readings every 15 seconds. This unit provides a more accurate reading of CO levels in your area of choice.

The unit has a battery backup with a reset button that provides a shut-off after CO detection. The sensor operates with electrochemical, showing a green LED light for average and red for danger.

Portability is the thing for an on-the-go family. Whether you are always driving from town to town and staying at a wide range of hotels or visiting friends and family, you sometimes have to sleep. 

Therefore, you need a reliable and portable Carbon monoxide detector.

Reliability is essential when buying any product, and since a carbon monoxide detector is a life-saving device, reliability is necessary. The company guarantees the ingenuity placed in these devices.


  • Battery backup
  • Visible sensor light
  • portable


  • Small
  • Battery replacement required

Kidde Smoke and Carbon Monoxide Detector Alarm

Kidde Smoke and Carbon Monoxide Detector Alarm with Voice Warning | Battery Operated | Model # KN-COSM-BA | 6 Pack

The Kidde Smoke and Carbon Monoxide Detector Alarm with Voice Warning is connected to a home’s wiring system. It does have a battery backup and chirps when the detector requires a new battery. 

It is sensitive to smoke and CO, giving accurate warnings to both gases. In addition to the standard alarm, this device provides voice warnings.

No matter where you take this device, you want it to protect your family, and you want it to be easy to use. The Kidde Smoke and Carbon Monoxide Detector is a reliable device that comes highly recommended. 

The voice alarm is a bonus since the primary system is highly reliable. The fact that you do practically nothing to the device makes it an asset in the home.


  • No battery change for the life of the item
  • Voice alert for both gases
  • Sensor-photoelectric


  • May startle sleeper
  • Installation required

What Is Carbon Monoxide (CO)?

The gas known as carbon monoxide is a gas without smell. 

It causes vomiting, chest pains, and dizziness, leading to unconsciousness; it can kill (source). This gas is mentioned in the movies when a person’s car is left running in a closed space. 

But carbon monoxide comes from multiple places, such as central heating systems, open fires, boilers, or water heaters. This chemical develops from the smoldering or incomplete burning of fuels. 

Carbon occurs when heaters have faulty elements, engine emissions, or a propane heater. Use these detectors to prevent the heartbreak of CO’s destructive behavior. 

It only costs a few pennies to save the life of someone you love by investing in one of these simple home fixtures.

Why is it Important to have a CO2 Detector When Traveling?

As a traveler, you visit another person’s home or stay in an unfamiliar hotel.

You do not know the state of the heating elements in use, making you vulnerable to Carbon monoxide poisoning. This gas is why using a Carbon Monoxide detector is essential.

The detectors are easy to use, carry, and pack in your travel backpack. This dangerous gas might show up anywhere there is fuel usage. So, they are useful items to bring.

People visit hotels and other venues, often not considering the CO level they are subjecting themselves to. 

Carbon monoxide affects the blood by draining oxygen, depleting the victim’s brain and heart. Due to this, the organs are suffocated, causing unconsciousness.

If you move around a lot, visit hotels and resorts, or use your car, you must know the CO levels at places you go. 

The gas does not give a warning but is silent and deadly. A portable carbon monoxide detector is crucial in preventing a lack of detection of CO gases. 

Knowing that you have a portable detector will help you feel more secure in your travels.

If you travel, transportability is a significant factor. However, whether at home or on the go, a carbon monoxide detector with a battery backup must ensure that the sensor is always operating, even if the power goes out. 

Many owners opt for a combination of smoke and carbon monoxide units. This two-in-one duo saves money and connection time.

Can You Bring a Carbon Monoxide Detector on a Plane?

Taking a carbon monoxide detector on the plane in your carry-on rolling bag is possible. However, removing the batteries before checking in with security is recommended. 

If the device uses lithium batteries, check with the airline before traveling to ensure proper packaging.

Things to Consider When it Comes to A Carbon Monoxide Alarm or Detecting Device


A CO detector with a battery is a serious consideration. Some devices operate on electrical current only. If there is a power outage, your family may be at risk.

Visual Display

The screen of a CO detector gives information on the detector’s operating data and the level of CO in your home. It is essential to know at a glance if your home’s CO level is dangerous.


A CO device must carry an alarm loud enough to hear, even when the family is asleep. The notice must be alerting. Also, it must be reliable, avoiding false readings. False readings might cause a person to ignore the warning.


Safety is crucial when purchasing a CO detector. The certification of the manufacturers and the quality of the device are essential. 

A lack of attention to this detail might place your family at risk. The date the device was made is important. You want a CO detector that is current and up to the task.


The First Alert Dual-Power Carbon Monoxide Detector Alarm is the favorite since it requires no mounting and goes practically everywhere. It fits neatly in your bag and travels to hotels, fits in any room in the home, and is usable in the workspace.

It is assumed by many that the places visited are safe. A feeling of illness may be attributed to something you ate or a change in the water or climate. 

Symptoms displayed might be related to CO exposure. With a portable CO device, you will be confident of CO gas levels inhabiting your environment, improving your peace of mind.

Carry the First Alert Dual-Power Carbon Monoxide Detector Alarm with you and sleep better knowing your family is safe from the devastating experience of Carbon monoxide exposure. 

This device’s craftsmanship and the technology in its construction create a safety measure for your family.

Travel safely!

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Hey there, I'm Mac. I love traveling. This site is dedicated to sharing everything about traveling, tips and guides, and reviewing essential travel gear. This will help you. Read more about me .