
Kidde i9010
Score: 78/100
First Alert SC5 Hardwired
Score: 85/100Rankings

The First Alert SC5 is a hardwired smart smoke and carbon monoxide alarm featuring photoelectric detection and Wi-Fi-enabled app alerts, offering robust interconnectivity and a 10-year sealed battery. Its requirement for hardwired installation and non-replaceable battery limit flexibility for renters or homes without wiring. Ideal for new-construction or homeowners seeking comprehensive smart fire safety.

The Kidde i9010 is a battery-operated ionization smoke alarm with a 10-year sealed lithium battery, Hush silencing and visual LED alerts. It lacks smart connectivity and only detects fast-flaming fires, making it less suitable for whole-home integration. Best for renters or small spaces needing low-maintenance standalone protection.
| Attribute | ![]() | ![]() |
|---|---|---|
87,600 hoursbest | 87,600 hoursbest | |
85 dBbest | 85 dBbest | |
3.05 mbest | — | |
10 yearsbest | 10 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Battery & Power(2) | ||
Battery Type | 3V sealed lithium | 3V lithium |
Power Source | Battery | Hardwired AC |
General(1) | ||
Certifications | UL 217, NFPA 72, NFPA 101, FHA Certified, HUD Certified | UL 217 9th Edition (smoke), UL 2034 (CO) |
Sensors(1) | ||
Smoke Sensor Type | Ionization | Photoelectric |


Products in the top-left offer the best value (high score, low price).

Professional reviews are scarce; manufacturer and fire‑safety sites highlight the i9010’s reliability, 10‑year sealed battery, and easy installation as strengths, while noting its lack of interconnectivity and ionization‑only detection as limitations.
No direct consumer reviews were found in the source data, so everyday user sentiment cannot be summarized.

Professional sources emphasize the SC5's compliance with the latest UL safety standards, its integration of Precision Detection to cut down on cooking-related nuisance alarms, and its ability to replace Nest Protect units without rewiring. The focus is on the product's advanced sensor technology, voice alerts, and Wi-Fi enabled remote monitoring.
Although no direct user reviews are available, product overviews commonly praise the clear voice alerts, app-based notifications, and the convenience of interconnecting multiple units.
