Worry-Free Living Area Plug-in Carbon Monoxide Alarm with Sealed Lithium Battery Backup and Digital Display, KN-COP-DP-10YL
A plug-in CO alarm with a sealed ten-year battery, so it keeps working through the power outage that sends people to the generator and the space heater.
By Kidde. Specs read from the maker on .
Price and stock: Maker product page (where to buy)
| Power | 120VAC plug-in with rotating AC blades |
|---|---|
| Backup battery | Sealed 10-year lithium, tamper proof, no battery changes |
| Sensor | Electrochemical |
| Display | Digital, shows the CO level sensed in PPM; dims in low light |
| Listing | Listed by UL to the UL2034 Standard |
| Alarm | 85 dB at 10 ft |
| Life | End-of-life alert to replace after 10 years |
| Warranty | 10 year limited |
| Display range (ppm) | Not stated by the maker |
"Not stated by the maker" means the maker's pages do not say; this shelf leaves it blank rather than guess.
Know before you buy
The research candidate KN-COPP-3 (9V battery backup) is marked on kidde.com as to be replaced with KN-COP-DP-10YL, so this shelf uses the replacement. CO only, no smoke sensing.
Where each spec was read
- Maker: KN-COP-DP-10YL product page read 2026-10-27
- Maker: KN-COPP-3 product page (replacement note) read 2026-10-27
Read first
Every store link on this shelf goes to the maker's own page unless a note beside it says it is an affiliate link. The guides on winterize.house name no brand; only these shelf pages do. No maker pays for placement.
Notes drafted with a language model from the maker's pages and checked against them. Product information, not professional advice: for gas, electrical and roof work, hire someone licensed.
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