Budget · Carbon monoxide alarm

Kidde 10-year CO alarm

≈ €25

Our addition: not on the official lists

Buy at Amazon

Sealed 10-year battery, so it keeps working in a blackout. EN 50291 or UL 2034 depending on the version.

Key specs

Sealed 10-yr battery, EN 50291 / UL 2034 versions.

Power

Sealed 10-yr battery

Why we picked it

Cheap, works in a blackout.

Trade-offs

Check market version.

Brand

USA (Kidde, 1917)

Where to buy

Amazon

Part of L1: 72-hour emergency kit.

Some links are affiliate links. No sponsored placements. Prices are approximate. Reviewed 19 October 2026.