Top 10 Smoke Detector Hardwired with Battery Backup – Smoke Detectors & Fire Alarms

As an Amazon Associate I earn from qualifying purchases.

1. FIRST ALERT

#ad

First Alert BRK 9120B Hardwired Smoke Alarm with Battery Backup , White

#ad
FIRST ALERT #ad - Keep your family safe with this hardwired smoke alarm the battery backup means constant monitoring, even if there's a power failure. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety.

Simple to use, with a single test/silence button, and side load battery compartment tamper resistant locking brackets and universal mounting brackets make installation easy. Rigorously tested to meet ul standards120 volt AC power with 9V battery backup to keep alarm functioning during power outage. Can connect to other compatible BRK or first alert smoke detectors, to ensure all alarms will sound when smoke is detected.

To ensure complete protection make sure to place one on each level of your home and in each bedroom. First alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 Based on a First Alert Brand Trust Survey in February 2018. Equipped with an ionization sensor, this smoke alarm reliably detects smoke from fast flaming fires and alerts you with an 85 decibel alarm.
BrandFIRST ALERT #ad
ManufacturerFirst Alert #ad
Height2.2 Inches
Length5.6 Inches
Weight0.8 Pounds
Width5.6 Inches
Part Number9120BFF
Model9120B
Warranty10 Year Limited

2. Kidde

#ad

Kidde Smoke Detector, Test-Silence Button, Hardwired Smoke Alarm with Battery Backup

#ad
Kidde #ad - Protects during a power failure - smoke alarm operates on a 120V power source with 9V battery backup in front-load battery door. Ionization sensing technology - hardwired smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire. Whole home family protection - place 1 fire detector on each level of your home & in your bedroom. Test-hush feature - silences the unit for approximately 7 minutes. Ul certified, 10-year limited warranty.
BrandKidde #ad
ManufacturerKidde Safety #ad
Height6 Inches
Length6 Inches
Width2 Inches
Part Number21029730
Modeli12060A
Warranty5 Year Limited

3. FIRST ALERT

#ad

FIRST ALERT BRK SC9120B-3 Hardwired Smoke and Carbon Monoxide CO Detector with Battery Backup. 3-Pack

#ad
FIRST ALERT #ad - Dust cover. First alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 Based on a First Alert brand trust survey in February 2018. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety.

Features an electrochemical carbon monoxide sensing technology as well as an ionization sensor that detects the fine particles of a fast-burning fire. Simple to use, with a single test/silence button, and side-load battery compartment; Tamper-resistant locking brackets and universal mounting brackets make installation easy. Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85-decibel siren provides a clear, loud warning upon detection.

Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected. Keep your family safe with this 3-pack of hardwired smoke and carbon monoxide alarm; The battery backup means constant monitoring, even if there's a power failure.
BrandFIRST ALERT #ad
ManufacturerFirst Alert #ad
Height2.2 Inches
Length5.6 Inches
Weight0.7 Pounds
Width5.6 Inches
Part NumberSC9120BFF-3
ModelBRK SC9120B-3

4. FIRST ALERT

#ad

First Alert BRK 9120B6CP Hardwired Smoke Alarm with Backup Battery, 6-Pack

#ad
FIRST ALERT #ad - First alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 Based on a First Alert Brand Trust Survey in February 2018. Can connect to other compatible BRK or First Alert smoke detectors, to ensure all alarms will sound when smoke is detected.

Emits T3 pattern. Simple to use, with a single test/silence button, and side load battery compartment; Tamper resistant locking brackets and universal mounting brackets make installation easy. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. To ensure complete protection make sure to place one on each level of your home and in each bedroom.

Keep your family safe with this 6 pack of hardwired smoke alarms; the battery backup means constant monitoring, even if there's a power failure. Equipped with an ionization sensor, this smoke alarm reliably detects smoke from fast flaming fires and alerts you with an 85 decibel alarm. Rigorously tested to meet UL standards. Note: a loose neutral white wire connection within the home junction box could prompt a device malfunction.
BrandFIRST ALERT #ad
ManufacturerFirst Alert #ad
Height5.6 Inches
Length5.6 Inches
Width1.9 Inches
Part Number9120B6CP
ModelBRK9120b
Warranty10 year

5. Kidde

#ad

Kidde Smoke & Carbon Monoxide Detector, Interconnect Combination Smoke & CO Alarm with Battery Backup, Voice Alert, Hardwired

#ad
Kidde #ad - Temperature Range-40˚F 4. 4˚c to 100˚f 37. 8˚c. Protects during a power failure - combo smoke and co detector operates on a 120VAC power source with 2-AA battery backup.

Ionization sensing technology - hardwired smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire. 120v ac, all kidde brand hard wired smoke alarms are interconnectable with the KN-COSM-IBA. Ul certified, 10-year limited warranty. Meets safety standards set by Underwriters Laboratories UL and interconnects with other KN-COSM-IBA models. Test-hush feature - silences the unit for approximately 9 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling. Fire & co detector in 1 unit with alert modes, & voice alarm, "Fire! Fire!", LED lights, "Warning! Carbon Monoxide!", that states, or "Low Battery!".
BrandKidde #ad
ManufacturerKidde Safety #ad
Height6 Inches
Length2 Inches
Weight1 Pounds
Width6 Inches
Part Number21026041
ModelKN-COSM-IBA
Warranty10 Year Limited

6. Kidde

#ad

Kidde i4618 Firex Hardwire Ionization Smoke Detector with Battery Backup 4 Pack

#ad
Kidde #ad - Red led flashes until reset for quick, clear identification of initiating smoke alarm in interconnected system. False alarm control quiets unwanted alarms for up to 8 minutes. Visible low battery indicator helps locate chirping unit. Interconnects with other compatible Firex smoke alarms and heat alarms. Front loading battery door makes battery changing simple, power link tab makes installation faster.
BrandKidde #ad
ManufacturerKidde #ad
Part Numberi4618-4

7. FIRST ALERT

#ad

FIRST ALERT BRK 9120B-12 Hardwired Smoke Detector with Backup Battery, 12-Pack

#ad
FIRST ALERT #ad - To ensure complete protection make sure to place one on each level of your home and in each bedroom. Keep your family safe with this 12-pack of hardwired smoke alarms; The battery backup means constant monitoring, even if there's a power failure.

First alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 Based on a First Alert Brand Trust Survey in February 2018. Can connect to other compatible BRK or First Alert smoke detectors, to ensure all alarms will sound when smoke is detected. Simple to use, with a single test/silence button, and side-load battery compartment; Tamper-resistant locking brackets and universal mounting brackets make installation easy.

Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. Equipped with an ionization sensor, this smoke alarm reliably detects smoke from fast-flaming fires and alerts you with an 85-decibel alarm.
BrandFIRST ALERT #ad
ManufacturerFirst Alert / BRK Brands, Inc. #ad
Height2.2 Inches
Length5.6 Inches
Weight0.6 Pounds
Width5.6 Inches
Part Number9120BFF-12
Model9120BFF-12

8. Kidde

#ad

Smoke Alarm with LED Lights, Hardwired with Battery Backup & Interconnect, Kidde Smoke Detector

#ad
Kidde #ad - Test-hush feature - silences the unit for approximately 7 minutes. Photoelectric sensing technology - hardwired smoke detector detects visible fire particles associated with smoldering fires, 85 decibel alarm alerts of fire. Ul certified, 10-year limited warranty. Protects during a power failure - smoke alarm operates on a 120V power source with 9V battery backup. Whole home family protection - place 1 fire detector on each level of your home & in your bedroom - maximum of 24 Kidde smoke or CO detectors can be interconnected in a multiple stations.
BrandKidde #ad
ManufacturerKidde Safety #ad
Height6 Inches
Length2 Inches
Width6 Inches
Part Number21006371
ModelP12040
Warranty5 Year Limited

9. Kidde

#ad

Hardwired Smoke Alarm with Battery Backup & Interconnect, Kidde Smoke Detector, Test-Silence Button

#ad
Kidde #ad - Protects during a power failure - smoke alarm operates on a 120V power source with 9V battery backup. Ul certified, 10-year limited warranty. Ionization sensing technology - hardwired smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire. Test-hush feature - silences the unit for approximately 7 minutes. Whole home family protection - place 1 fire detector on each level of your home & in your bedroom - maximum of 24 Kidde smoke or CO detectors can be interconnected in a multiple stations.
BrandKidde #ad
ManufacturerKidde Safety #ad
Height6 Inches
Length2 Inches
Weight0.74 Pounds
Width6 Inches
Part Number21029727
ModelI12040A
Warranty5 Year Limited

10. Kidde

#ad

Interconnect Combination Smoke & CO Alarm with Battery Backup, Voice Alert, Kidde Smoke & Carbon Monoxide Detector, Hardwired

#ad
Kidde #ad - Photoelectric sensor technology - hardwired smoke detector detects visible fire particles, 85 decibel alarm alerts of fire. Protects during a power failure - combo smoke and CO detector operates on a 120V power source with 9V front-loading battery backup. Fire & co detector in 1 unit with alert modes, & voice alarm, "Fire Fire", that states, led lights, "Warning Carbon Monoxide", or "Low Battery". Test-hush feature - silences the unit for approximately 8 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling. Ul certified, 10-year limited warranty.
BrandKidde #ad
ManufacturerKidde Safety #ad
Height1.85 Inches
Length5.79 Inches
Width5.79 Inches
Part Number21029735
ModelKN-COPE-IC
Warranty7 year limited