🔍 Click to zoom
Kidde COB10 10-Year Battery Carbon Monoxide Alarm
$45.97
Final price set by Amazon · may vary
The Kidde COB10 is a carbon monoxide alarm powered by a factory-sealed 10-year battery, engineered to eliminate the annual battery replacement and middle-of-the-night low-battery chirps associated with conventional a...
Key Features
- Sealed 10-year battery — no replacement or chirps
- Alarms at dangerous CO levels for fast evacuation
- 85 dB alarm with flashing light alert
- Flexible tabletop or wall-mount placement
- No low battery chirps ever
- 10-year limited warranty
🔒 Amazon Associate · You pay the same price · We earn a small commission
Zero Sponsored ListingsNo paid placements. Every recommendation is based on compliance, build quality, and field performance.
Curated SelectionExpert-chosen safety gear
Independently ReviewedUnbiased assessments — no manufacturer input
Built for Industrial BuyersSourced and reviewed for safety managers, procurement teams, and field supervisors.
The Kidde COB10 is a carbon monoxide alarm powered by a factory-sealed 10-year battery, engineered to eliminate the annual battery replacement and middle-of-the-night low-battery chirps associated with conventional alkaline-battery detectors. For properties where maintenance minimization is the priority, the COB10 provides a decade of CO detection without any battery service requirement.
Construction and Design
The COB10 houses a long-life lithium battery sealed within the unit at manufacture — the battery is not user-replaceable, and the entire unit is replaced at end of service life (typically 7–10 years, depending on environmental conditions including temperature and humidity extremes). The enclosure supports wall-mount and countertop placement, and no outlet access is needed. The sealed design eliminates the battery compartment door and associated failure points present in AA-battery models.
Detection Performance
Detection is electrochemical to UL 2034 compliance. The COB10 activates the 85 dB alarm and flashing light indicator at hazardous CO concentrations. Like the basic COB, this model does not include a digital display — CO concentration is not readable. Occupants receive an alarm event without incremental numeric data. Extreme temperature or humidity environments may reduce battery performance below the 10-year rated life; the product should be replaced at the manufacturer's recommended interval regardless of apparent function.
Strengths
- Factory-sealed 10-year battery eliminates all battery replacement maintenance
- No low-battery chirps — ever — across the rated service life
- No outlet dependency for flexible room placement
- Simplified installation — no wiring, no battery removal, no recurring service
- 10-year limited warranty aligned with battery service life
Limitations
- No digital display — CO concentration is not readable; the COBD10 adds this capability
- Unit must be fully replaced at end of service life rather than battery-swapped
- No low-level CO alerts for vulnerable populations; the COBDL10 addresses this
Recommended Applications
The COB10 is ideal for rental properties, vacation homes, and households where annual battery checks are unlikely to be performed reliably. It is an appropriate replacement for any location currently using a conventional alkaline-battery CO detector that requires annual battery swaps. Households requiring CO concentration readout should select the COBD10.
Verdict
The Kidde COB10 is the right choice when installation simplicity and zero battery maintenance are the decision criteria. It delivers UL 2034-compliant CO detection across a decade of service without any scheduled battery intervention. Households wanting display capability or low-level alerts should select the COBD10 or COBDL10 respectively.
Brand / Vendor
Kidde
Model / SKU
COB10
Product Type
Carbon Monoxide Alarm
Price
$45.97 (Amazon)
Rating
4.7 / 5 — 10 reviews
Availability
✓ In Stock on Amazon
No Paid Placements
Every product earns its place based on safety credentials and field performance, not advertising spend.
Industrial Grade Only
Products sourced for professional use in manufacturing, construction, and industrial environments.
Compliance Verified
Every product listed on WC Safety is reviewed for standards compliance and safety credentials before publication.
Sourced for Professionals
Gear selected for safety managers, procurement teams, and field supervisors — not casual consumers.
Verified Buyer Reviews
Customer Reviews
★★★★★4.8 / 5· 28 ratings on Amazon
★★★★★
Just what I need!
We lived in an apartment complex that was built in the 60’s and doe extra peace of mind we put this in our bedroom and living room.
Verified Purchaser · May 20, 20 · ✓ Amazon Verified Purchase
★★★★★
Installation
Ease to install and use. Works great
Verified Purchaser · May 17, 20 · ✓ Amazon Verified Purchase
★★★★★
Great choice for a low maintenance CO2 detector
Carbon monoxide (CO) is often called the "silent killer" because it is colorless, odorless, and tasteless. A reliable detector is a non-negotiable safety requirement for any home or office. The Kidde Carbon Monoxide Detector offers a "set it and forget it" approach to safety with several professional-grade features.Key Features10-Year Sealed Lithium Battery: The standout feature is the long-term power supply. Unlike older models that require annual battery swaps, this unit is designed to last a full decade.LED Status Indicators: The face of the device includes color-coded LEDs (typically Green for power, Amber for fault/end-of-life, and Red for alarm) providing a quick visual confirmation of the unit’s health.85 dB Audible Alarm: In the event of a CO leak, the 85-decibel siren is loud enough to wake sleepers or be heard through closed doors, meeting standard safety regulations.Self-Testing Capability: The unit features a prominent Test/Silence button to ensure the circuitry and siren are functioning correctly.The ProsMaintenance-Free: The 10-year battery eliminates the annoying "low battery" chirps in the middle of the night for the lifespan of the sensor.Compact Design: It features a clean, unobtrusive aesthetic that blends well with most wall or ceiling textures.Ease of Installation: Since it is battery-powered, no wiring is required. It can be mounted easily with a simple bracket or even placed on a high shelf.End-of-Life Warning: The device is programmed to signal when the 10-year mark is reached, ensuring you know exactly when the sensor itself has expired and needs replacement.The ConsNon-Replaceable Battery: Once the 10 years are up, the entire unit must be recycled and replaced. You cannot simply put in a new battery.Basic Interface: It lacks a digital display (ppm readout) found on more expensive models, which can tell you the exact concentration of CO in the air.Final VerdictThe Kidde Carbon Monoxide Detector is an excellent choice for those who prioritize reliability and low maintenance. It provides the essential protection needed without the hassle of frequent battery changes. I suppose that if I never hear the alarm it will be a good thing but that would be the only way I know it is working.
Verified Purchaser · April 8, 2 · ✓ Amazon Verified Purchase
★★★★☆
It works
I am not quite sure how to evaluate a carbon monoxide detector. I can say it works and it was super easy to mount.
Verified Purchaser · June 7, 20 · ✓ Amazon Verified Purchase
★★★★★
Well worth the price!
I have the required number of smoke detectors with the carbon monoxide detectors but I really like having this separate one that JUST sets for CO was sort of a reliability checker, let's have a stand alone checker to double check all the others and make sure that we haave soothing completely separate, not checking anything els. You hear horror stories and I hav chronic. It blends in with the paint so it doesn't stand out and look headaches so there are days when I will have aa much worse headache and I truly wonder.... could this b from something else? I check all my symptoms aand honestly look at carbon monoxide was a possibility. Now I have this as an extra added measure of protection not just for myself but for my family and it really gives me piece of mind. So far I have not had it go off, no going off when it shouldn't which happens with the smoke detectors occasionally. The color just blends in with the wall color so it is't offensive looking and I just feel a little bit safer having it in the bedroom hallway. Any additional safety measure is worth the money o me and I would highly recommend this item to anyone whether you have a family to protect or you live alone.
Verified Purchaser · May 31, 20 · ✓ Amazon Verified Purchase
★★★★★
Nice and convenient basic model (COB10). Tasteful update to the previous generation.
I got the model "COB10" Gen 5, which is the most basic built-in-battery model. It's nice and simple. It has no informative display; just a small 2-color LED (green = good; red = alarm). But this unit makes up for that in simplicity, small design, and my favorite feature: It won't do the "low-battery" chirps at night time (It has light sensor -- but don't worry, regular alarms aren't affected by the low-light "night" mode.)FYI: Not really a con or danger, but FYI, the base model COB10 does not monitor or alert for "Low level -- between 31 and 50 PPM," which is a level for health concern, not an immediate danger (per its user manual). So this is an alarm-device, not a health-monitoring device.NOTE: As with some other "10-year battery" devices, this has a MANDATORY end-of-life after 10 years. It seems to have a built-in timer that will force an end-of-life chirp, even if the battery is still good (my last CO detector did that). They imply it's a safety feature because the CO sensor itself becomes less reliable. But it's still a waste that it becomes plastic and lithium-battery garbage, with no easy recycle options.SIZE: 5" W x 2.75" H x 1.5" D (127mm W x 70mm H x 38mm D).PROS:+ Prevents nuisance "low-battery" chirps during night time (has a light sensor). NICE!+ Smaller, and more stylish than the rectangular previous generation (which I owned several).+ Has tiny "feet" so it can stand upright on a shelf. OR it can also be wall-mounted.+ Pressing "Hush" silence button also re-tests the air. High levels will result in another alarm "within 6 minutes."+ 10-year battery is nice, affordable and convenient (I hope it lasts that long).CONS:-- Spendy price, based on the currently marked at $46 USD. I can get a combo smoke+CO for less.-- Mandatory end-of-life after 10 years.
Verified Purchaser · April 7, 2 · ✓ Amazon Verified Purchase
★★★★★
Great little CO detector!
The Kidde 10-Year Carbon Monoxide Detector stands out immediately for its compact size and modern design. To me It’s noticeably smaller and sleeker than most detectors I’ve used, which makes it ideal for tighter spaces like my shuttle bus conversion.The biggest selling point here is the 10-year sealed battery, which is a bold claim—but also a huge convenience. Not having to worry about battery changes for a decade is exactly what you want in something designed for safety and peace of mind.In my case, I’m using this in a shuttle bus conversion where I occasionally run a diesel heater (properly vented outside). Even though we don’t typically sleep in it, having a reliable CO detector adds an extra layer of confidence if we ever do. It’s one of those things you hope you never need…but absolutely want if you do.Build quality is excellent, and everything feels very solid, durable for bouncing around driving down the highway, and well-assembled. It has been thoughtfully designed in many ways.One important note:The battery activation instructions could definitely be clearer. Especially what is written right above where you have to activate it on the back of the unit. Basically, you’ll need to remove the red tab and slide the activation switch to engage the unit. The wording on the back made it seem like this step was only necessary for wall mounting, which can be misleading. Be sure to reference the manual closely (and images help) so you don’t get stuck wondering why it’s not powering on like I did because there is no on and off switch except under that red tab.Overall, this is an easy 5 out of 5. Between the long-life battery, compact footprint, and dependable construction, it’s a smart safety addition—especially for small living spaces, vehicles, or backup use.
Verified Purchaser · April 7, 2 · ✓ Amazon Verified Purchase
★★★★★
Safety First
This Kidde COB10 carbon monoxide detector is a simple, no-frills safety device that prioritizes long-term reliability over features, which is exactly what most people want from a CO alarm.Setup is straightforward—mount it on a wall or place it on a surface, and it’s ready to go. The 10-year sealed battery is the main selling point. Once installed, you don’t have to worry about battery changes, low-battery chirps, or maintenance for the life of the unit, which is a big convenience factor in hard-to-reach spots or rental properties.The unit uses a loud 85 dB alarm with a flashing LED indicator, which is plenty strong for alerting you even from another room. The status lights are easy to understand at a glance (power, alarm, fault), and the design is intentionally minimal so there’s no confusion during an emergency.Performance-wise, this is exactly what you want from a CO detector: it sits quietly in the background until it’s needed. There are no smart features, app connectivity, or digital display options, but that also means fewer failure points and a more “install and forget” experience.ProsTrue 10-year sealed battery (no maintenance)Loud 85 dB alarm is easy to hearSimple LED status indicatorsFlexible placement (wall or tabletop)Trusted, established safety brandConsNo digital display or CO level readoutNo smart/home integration featuresBasic design (purely functional)Bottom lineThis is a reliable, straightforward CO detector for anyone who wants dependable protection without complexity. It doesn’t try to be smart—it just focuses on doing one job for 10 years without attention, which is exactly what a safety device like this should do.
Verified Purchaser · April 18, · ✓ Amazon Verified Purchase
★★★★☆
Well-designed CO detector with no need to replace batteries.
Although we don’t have any gas appliances, we have always had hybrid vehicles since their inception. A possible issue with hybrid vehicles is when the driver forgets to press the ‘Power’ button to turn off the vehicle. Although the engine may not be running at that time, the hybrid batteries are being used to supply power for the lights, dashboard, and other functions. Eventually, if left unattended, the hybrid batteries will be depleted enough for the engine to automatically start in order to charge the batteries. If the vehicle is parked in an attached garage, with the garage door shut, and there is an a/c unit air handler in the garage (like ours), the generated CO gas can easily be sucked into the ventilation system and could be deadly to the occupants. Although we have never had this scenario, it’s best to be safe. So when I saw this CO detector available, I had to order it. Remember that CO gas is odorless and tasteless, which makes it a potential silent killer.Here is what I like about the CO detector - Model COB10….- It’s a Kidde detector. I’ve only had Kidde smoke/fire detectors, which I’ve been generally very pleased with.- It has a built-in battery with a 10-year life. If there’s one thing I hate with my smoke/fire detectors that run on disposable batteries is that annoying beeping that sounds usually in the middle of the night, indicating that the battery needs to be replaced.- It is very compact and unobtrusive, which can be mounted on a wall or placed on a table. I will be mounting my unit on the wall in a central location. Note that there are limitations to where to mount in order to avoid false alarms (see manual).- It has a test/hush button.- It has a very loud alarm!- Easy mount with two screws and anchors (if needed).- There is an ‘End of Unit Life’ indicator after 10 years (chirping).The one issue I have with this model is that it does not have the ‘Low Level CO Alert,’ which could be very beneficial to most. Apparently, this feature is available on other Kidde models.
Verified Purchaser · April 14, · ✓ Amazon Verified Purchase
★★★★☆
be warned CO protection is good
Like all Kidde products you can rest assure you are getting quality giving you a piece of mind the you will be safe. Kidde products are reliable and the CO sensors are made very well. they make a good loud sond when set off. the 10 year battery is nice no worries. these are easily installed on the wall or ceiling.
Verified Purchaser · April 22, · ✓ Amazon Verified Purchase
Showing 10 of 28 Amazon reviews.
Share Your Experience
Write a Review
Thank you for your review!
Your submission has been received and will be published after verification.