Battery CO alarm
Kidde
COB10 Carbon Monoxide Alarm
A North American battery alarm that remains active when utility power is unavailable.Key specification10-year sealed battery
Independent of outlet power
PowerSealed battery
Battery life10 years
Backup roleNo outlet required
Why it is in the shortlist
A concrete specification you can compare against local products.
A North American battery alarm that remains active when utility power is unavailable.
Source status
Kidde product specification ↗Technical facts come from the manufacturer.
Source checked 2026-08-24. Retail prices and availability are deliberately kept separate.