1 / 7Kidde COBDL Battery-Powered Carbon Monoxide Detector
Kidde COBDL is a battery-powered carbon monoxide detector with a claimed low-level alert, audible and visual warnings, and a backlit display. It can be wall-mounted or placed on a table, and the listing describes it as portable for home or travel use.
At a glance
- Listing describes earlier, distinct low-level alerts beginning at 30 ppm and a separate alarm pattern at 70 ppm.
- The manufacturer claims an 85 dB audible alarm, LED warning, and a backlit digital display.
- Runs on two included AA batteries and can be mounted on a wall or set on a table.
- Listing claims UL 2034, 5th Edition testing and ETL listing.
Reference price: $40.47
Price checked: Nov 13, 2026
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Pros and cons
Pros
- Battery operation avoids wiring and is described as continuing through power outages.
- Separate low-level and higher-level warning patterns may help distinguish alerts.
- Tabletop placement and a compact listed weight support taking it along when traveling.
Cons
- This is a carbon monoxide detector only. The supplied listing does not describe smoke detection or app connectivity.
Technical specifications
12 specifications| Brand | Kidde |
|---|---|
| Model | COBDL |
| Power configuration | Battery Powered |
|---|
| Sensor type | Electrochemical |
|---|---|
| Alarm | Audible, Visual |
| Dimensions listed | 1.52"D x 5.14"W x 2.83"H |
|---|---|
| Weight listed | 5.92 ounces |
| Operating humidity | 10 to 95% Relative Humidity, Non-Condensing |
|---|---|
| Upper temperature rating | 100 °F |
| Color | White |
|---|---|
| Enclosure material | Plastic |
| Warranty description | 10-Year Limited Warranty |
What to know before buying
- The listing says the unit is suitable for travel but also says it is not approved for RV or boat use. It advises removing batteries during travel, reinserting them on arrival, packing carefully, using only in conditioned spaces, and testing before use.
- The manufacturer states a 10-year limited warranty. The listing also says CO alarms should be replaced every 10 years.
Listing details to confirm
The listed 30–70 ppm low-level alert range and 70 ppm higher-level alarm appear in the feature copy, while another description says the low-level alert starts at 30 ppm. Customer feedback is mixed on low-level detection, including reports of the LED readout not showing elevated levels, so do not treat its readout or threshold behavior as independently confirmed.
What’s in the box
Included- 2 AA batteries
- Carbon monoxide detector
- Mounting screws
- User guide
Who is it for?
A good fit for
- Renters or homeowners seeking a standalone, battery-powered CO alarm with wall or tabletop placement.
- Travelers who want a portable detector for hotels or vacation rentals, provided they observe the stated travel and use restrictions.
- Buyers interested in a listed low-level alert feature and willing to consider the reported uncertainty around the readout.
Less suited to
- Anyone needing a smoke alarm, a connected/app alert system, or a detector approved for RV or boat use.
- Buyers who need independently confirmed low-level detection or display performance.
Customer reviews on Amazon
- 5 stars
81% 81% - 4 stars
9% 9% - 3 stars
3% 3% - 2 stars
2% 2% - 1 star
5% 5%
Customer feedback describes the detector as high quality and good value, while reports on low-level detection and reliability are mixed. Some customers appreciate the low alarm threshold, but others report that the LED readout did not show elevated levels. For buyers relying on the listed 30 ppm alert and display, that mixed feedback is especially relevant. Aggregate ratings lean positive overall, but do not establish how the detector performs in a particular home.
Positive themes
- Customers describe the detector as high quality and good value.
Mixed feedback
- Feedback on low-level detection is mixed, including reports of the LED readout not showing elevated levels.
- Reliability feedback is mixed.
Frequently asked questions
What powers the Kidde COBDL?
The listing describes it as battery powered and says it operates on two included AA batteries.
Can it be placed without mounting it?
Yes. The listing says it can be mounted on a wall or set on a table, and mounting screws are listed among the contents.
Is it approved for RV or boat use?
No. The product description explicitly says it is not approved for RV or boat use.
What does the listing claim about low-level alerts?
It describes a low-level alert starting at 30 ppm and a separate alarm pattern at 70 ppm. Customer feedback reports mixed experiences with low-level detection and the LED readout, so those claims are not independently confirmed.
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Offer details
- For conditioned spaces only. Not approved for RV or boat use.
- For travel, the listing advises removing the batteries before travel, reinserting them upon arrival, packing carefully, and testing the detector before use.