
Kidde Carbon Monoxide Detector
AA Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable
Price as of 2026-06-05. Check Amazon for the current price.
Quick Decision
Price Intelligence
Currently $27.94 — the 90-day average is $27.10.
All-time low: $20 on Thu Aug 01 (from 182 price checks).
Is This Right For You?
- •Budget-conscious shoppers — priced below 92% of Carbon Monoxide Detectors
- •Those who want a top-rated option — in the top 15% of Carbon Monoxide Detectors by rating
- •Risk-averse buyers — 19,737+ reviews give a highly reliable picture
- •Kidde loyalists — the brand spans 155 products in our database
- •Kidde Carbon Monoxide Detector offers a better rating (4.8/5) at a similar or lower price ($24)
- •Kidde Carbon Monoxide Detector — higher rated at 4.8/5 ($24)
📊 Based on data analysis of 53 products in this category.
Mubboo Score: A+
How It Compares
This Product Kidde Carbon Monoxide Detector | Most Popular Kidde Carbon Monoxide Detector | Best Rated First Alert Carbon Monoxide Detector | Best Value Kidde Carbon Monoxide Detector | |
|---|---|---|---|---|
| Price | $27.94 | $36 | $23.99 | $23.97 |
| Rating | 4.7/5 | 4.7/5 | 4.7/5 | 4.8/5 |
| Reviews | 19,737 | 35,752 | 22,830 | 1,338 |
| Mubboo Score | A+ | A+ | A+ | A |
Quick Specs
- Alarm
- Audible
- Color
- Detector
- Style
- 3rd Edition
- Unit Count
- 1.0 Count
- Item Weight
- 9.6 ounces
- Sensor Type
- Electrochemical
- Manufacturer
- Kidde Safety
- Model Number
- KN-COPP-B-LPM
What People Say
Synthesized from 40 reviews · 100% verified purchases.
Choose a model with a digital display if you want to see real-time CO levels. Note that the low-battery chirp can be mistaken for a smoke detector, so test early; also remember these need replacement after 10 years.
- Plug-and-Play Installation
- Peace of Mind & Reliable Protection
- Battery Backup for Outages
- Loud Alarm for Safety
- Portable for Travel
- No Digital Display on Basic Units
- Low-Battery Chirp Resembles Smoke Detector
Expert Picks in Carbon Monoxide Detectors
- Kidde Smart Smoke + Carbon Monoxide Alarm — Best smart smoke alarm
- First Alert SC5 Hardwire Smart Smoke and CO Alarm — Works with Nest Protect units
- Kidde Ring Smart Smoke + Carbon Monoxide Alarm — Ring alarm users
Category recommendations from independent expert publications. Source links in References.
Related Video Reviews
- 📹 What Most Homeowners Don’t Know About Carbon Monoxide Detectors — The DIY HVAC Guy
- 📹 Best Carbon Monoxide Detectors in 2026 — wiredtech
- 📹 7 Best Carbon Monoxide Detector 2026! Tested & Tried — Everything Under Control
Key Features
- ✦Electrochemical sensor technology detects CO gas
- ✦Easy installation, no wiring needed, detects during a power failure by operating on 2-AA batteries (included)
- ✦Conveniently designed & portable: simple to install on a wall of your home or place on a tabletop
- ✦Green LED indicates power to the smoke detector, while an 85-decibel alarm & a red LED indicates the presence of carbon monoxide
- ✦Peak Level Memory records the last time carbon monoxide was detected or when the unit was last tested
Source: product listing on Amazon.
About Kidde
- 155 products in our database
- Average rating: 4.6/5 across all products
- Price range: $12.87 – $381.75
- Categories: Carbon Monoxide Detectors, Fire Extinguishers, Smoke Detectors
Other Carbon Monoxide Detectors




Featured in Our Reviews
Bottom Line
Kidde Carbon Monoxide Detector earns Mubboo Score A+. Priced at $28, around its typical level. Rated 4.7/5 from 19,737+ reviews. Strong buy if: budget-conscious shoppers, those who want a top-rated option. Skip if: kidde carbon monoxide detector offers a better rating (4.8/5) at a similar or lower price ($24) — Kidde Carbon Monoxide Detector (Score A+, $36) may fit better.
Frequently Asked Questions
Is the Kidde Carbon Monoxide Detector worth buying in 2026?
It earns a Mubboo Score of A+, with a 4.7/5 rating from 19,737 reviews — better than 85% of Carbon Monoxide Detectors we track.
How much does the Kidde Carbon Monoxide Detector cost?
It is currently $27.94. The 90-day average is $27.10 and the all-time low we recorded is $20.
How does the Carbon Monoxide Detector compare to other Carbon Monoxide Detectors?
The category's most-reviewed alternative is the Kidde Carbon Monoxide Detector (4.7/5, 35,752 reviews, $36). The Carbon Monoxide Detector carries a Mubboo Score of A+ vs A+.
Sources & References
Mubboo may earn a commission from purchases made through links on this page. Prices and availability are accurate as of the last sync (2026-06-05) and may change.