Home › Smoke & CO Detectors
🚨 Smoke & CO Detectors
Smoke and carbon-monoxide alarms — 9V, AA or sealed lithium, and how often to swap them.
| Item | Battery | Voltage |
|---|---|---|
| Smoke detector | 9V | 9V |
| Carbon monoxide detector | AA | 1.5V |
| First Alert smoke detector | 9V | 9V |
| Kidde smoke detector | 9V | 9V |
| Combination smoke and CO detector | AA | 1.5V |
All smoke & co detectors
Smoke detector9VCarbon monoxide detectorAAFirst Alert smoke detector9VKidde smoke detector9VCombination smoke and CO detectorAA