Best 9v Battery For Smoke Detector Kidde In May 2025

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If you are looking for the Best 9v Battery For Smoke Detector Kidde of top quality, read our detailed reviews on them here before making the purchase decision.

To help you in your search, we have completed this list of the Best 9v Battery For Smoke Detector Kidde.

Top Rated Best 9v Battery For Smoke Detector Kidde Of 2025

Rank	Product Name	Score
1	Kidde 21026043 Battery-Operated(Not Hardwired) Combination Smoke/Carbon Monoxide Alarm with Voice Warning KN-COSM-BA Buy Now	9.7 Buy Now
2	Kidde - 21026051 Smoke Detector Alarm | Battery Operated | Model # i9050 Buy Now	9.5 Buy Now
3	Kidde Safety - 21026055 Kidde Sealed Lithium Battery Power Smoke Detector Alarm | Buy Now	9.1 Buy Now
4	Kidde 21026063 AC Hardwired Smoke Detector Alarm with 9V Back up and Front Buy Now	8.8 Buy Now
5	Kidde 21025830 Power Source Replacement Batteries Buy Now	8.6 Buy Now
6	Kidde i12060 Hardwire with Front Load Battery Backup Smoke Alarm, 1 Pack, White Buy Now	8.3 Buy Now
7	Kidde 21006406 Hardwire Carbon Monoxide Detector Alarm with Battery Backup, Interconnectable | Model Buy Now	8.1 Buy Now
8	Kidde Nighthawk Plug-In AC/DC Carbon Monoxide Alarm Detector with Digital Display KN-COPP-3 Buy Now	7.8 Buy Now
9	Kidde i4618 Firex Hardwire Ionization Smoke Detector with Battery Backup (4 Pack) Buy Now	7.5 Buy Now
10	Kidde 21028499 DC Smoke and Carbon Monoxide Alarm Detector with TruSense Technology | Buy Now	7.2 Buy Now

1. Kidde 21026043 Battery-Operated(Not Hardwired) Combination Smoke/Carbon Monoxide Alarm with Voice

• Combined carbon monoxide and smoke alarm a single unit can be installed where previously, two were needed. reduces installation time and helps to keep home dcor attractive.
• Battery - provides protection even during power outages when many fire and carbon monoxide incidents occur. the unit warns of a low battery condition by announcing low battery and by initiating an alarm chirp and activating a flashing red led. the battery door will not close unless the batteries are properly installed. note : the date printed on the item is manufact...
• Audio alarm: 85 db at 10 feet. test/reset button and leds tests alarm circuitry and triggers the voice announcement. flashing green for normal operation and flashing red for alarm condition. humidity range: 10 percent to 95 percent relative humidity non-condensing
• Voice alarm announces the hazard type detected thereby helping to speed up the correct reaction to the hazard detected. alarm announces fire! when a smoke or fire hazard is detected and announces warning carbon monoxide when a co hazard is detected
• Voice announcements - hush feature temporarily silences nuisance alarms with hush mode activated and hush mode cancelled voice announcement. if the alarm had detected a co level of 100ppm or higher, the unit will announce carbon monoxide previously detected to warn of the co incident, when the test/ reset button is pressed.temperature range:40f (4.4c) to 100f ...

2. Kidde - 21026051 Smoke Detector Alarm | Battery Operated | Model # i9050

• Low battery indicator chirps when battery needs replacement
• Easy installation no wiring required
• Battery operated (9v battery included) provides continuous protection even during power failures
• Test button verifies battery and alarm operation
• Flashing led indicates alarm is receiving power

3. Kidde Safety - 21026055 Kidde Sealed Lithium Battery Power Smoke Detector Alarm |

• End of life warning alarm chirps every 40-45 seconds indicating the alarm is in need of replacement, tamper resist (when activated upon installation) effective in preventing someone from removing the unit from the mounting bracket
• Sealed-in lithium battery sealed-in lithium power supply, no battery replacement required over the 10 year life of the alarm. eliminates worry about battery removal or unauthorized deactivation of alarm
• Smart hush temporarily silences nuisance alarms and will not allow hush mode to be activated unless the unit is in alarm mode
• Kidde?s smoke alarms meet the requirements of underwriters laboratories (ul), an independent facility that tests products for compliance with widely-accepted safety standards
• Sealed in lithium battery never replace battery over the ten-year life of the alarm
• Self activation alarm automatically activates when attached to the mounting bracket, hushtm will temporarily silence nuisance alarms and will not allow hush mode to be activated unless the unit is in alarm mode

4. Kidde 21026063 AC Hardwired Smoke Detector Alarm with 9V Back up and Front

• Easy installation - front battery pull tab allows battery activation without removing alarm from mounting bracket. large mounting base makes mounting easier, protects surface paint from dirt and covers imperfections. pre-stripped wiring harness with easy off cap does not require stripper tool. tinned strands increase conductivity and wire nut grip.
• Tamper resist locking feature deters alarm theft. audio alarm-85db at 10feet
• Fewer callbacks - large centrally located test/hush alarm control button. dust cover protects sensor from contaminates during construction reducing nuisance alarms.
• Alarm memory flashes red led indicating which unit was the initiating alarm in interconnected system. temperature range: 40 degree fahrenheit to 100 degree fahrenheit
• User-friendly features - easy access front loading battery door. battery backup provides protection in case of power failure. interconnectable with up to 24 devices (of which 18 can be initiating) including smoke, co and heat alarms. see users guide for complete instructions.

5. Kidde 21025830 Power Source Replacement Batteries

• 2 year life with kidde smoke and co alarms
• Guaranteed 2 year life
• Battery 9 volt
• Package dimension: 9.25"l x 5.5"w x 7.25"h

6. Kidde i12060 Hardwire with Front Load Battery Backup Smoke Alarm, 1 Pack, White

• Note:kindly refer to the user manual provided as a pdf manual in the product description section
• Battery backup provides protection in case of power failure
• Front battery pull tab allows battery activation without removing alarm from mounting bracket. large mounting base makes mounting easier, protects surface paint from dirt and covers imperfections. pre-stripped wiring harness with easyoff cap does not require stripper tool.
• Ul listed, 10 year warranty
• Front battery door makes replacing the battery easy for anyone.
• Interconnectable with up to 24 devices (of which 18 can be initiating including smoke, co and heat alarms.

7. Kidde 21006406 Hardwire Carbon Monoxide Detector Alarm with Battery Backup, Interconnectable | Model

• Battery pull tab eliminates battery installation time and keeps battery fresh.
• Important: this carbon monoxide alarm is designed to detect carbon monoxide from any source of combustion. it is not designed to detect smoke, fire, or any other gas
• Sealed cover reduces nuisance alarms. sealed to protect sensor from contaminants prior to installation.
• Alkaline battery backup for continuous protection in case of power failure. temperature range-40f (4c) to 100f (38c)
• Quick connect installs quickly with snap-on harness.
• Test/reset - tests co alarm circuit operation and allows you to immediately silence the alarm.

8. Kidde Nighthawk Plug-In AC/DC Carbon Monoxide Alarm Detector with Digital Display KN-COPP-3

• Note: this co alarm is not battery operated. however, these alarms are equipped with 9 volt battery backup the 9 volt battery is to supply short term back-up during a power outage.
• Ten years after the initial power up, this alarm will beep two times every 30 seconds to indicate that it is time to replace the alarm.
• Peak level button displays the peak co level recorded by the alarm since it was last reset or unplugged
• Power source: 120vac. temperature range-40f (4.4c) to 100f (37.8c). humidity range-5%-95% relative humidity (rh)
• Test button functions tests the unit for proper operation and resets the carbon monoxide alarm
• Led operation blinking dot in lower right corner of display denotes normal operation

9. Kidde i4618 Firex Hardwire Ionization Smoke Detector with Battery Backup (4 Pack)

• Visible low battery indicator helps locate chirping unit
• Front loading battery door makes battery changing simple, power link tab makes installation faster
• Interconnects with other compatible firex smoke alarms and heat alarms
• False alarm control quiets unwanted alarms for up to 8 minutes
• Red led flashes until reset for quick, clear identification of initiating smoke alarm in interconnected system

10. Kidde 21028499 DC Smoke and Carbon Monoxide Alarm Detector with TruSense Technology |

• Front loading battery door: quickly change the battery without removing the alarm from the mounting bracket
• Multi criteria optical sensor: detects more types of fires and reduces cooking nuisance alarms.
• Three color leds: provide visual notifications of alarm status. temperature range: 40f (4.4c) to 100f (37.8c)
• Voice notifications: unit verbally announces alerts such as "fire! , " "warning, carbon monoxide, " and "low battery", which helps the user better understand current status of the unit.
• Electrochemical co sensor: protects against dangerous levels of carbon monoxide.