Best Battery Powered Smoke Alarms Updated February 2026
Advertiser disclosure About our rankings

Join the millions that have trusted BuyersGuide.org to help them make smarter buying decisions. Let our independent expert reviews and data-driven shopping recommendations help you find the one that's right for you.

Best Battery Powered Smoke Alarms
2026 Buyer's GuideUpdated February 2026
Advertiser disclosure About our rankings
Sort by:
Best Overall
1

10.0

2 Packs, 2 in 1 CO & Smoke Detectors,Carbon Monoxide Detectors,Smoke Detector Battery Powered,（Include 3 * 1.5V AA Battery）,85 ...
Ease of installation
Quality
Functionality
Value for money
Mounting hardware
Noise level
1K+ bought in past month
Best Overall

10.0

1
2 Packs, 2 in 1 CO & Smoke Detectors,Carbon Monoxide Detectors,Smoke Detector Battery Powered,（Include 3 * 1.5V AA Battery）,85 ...
Ease of installation
Quality
Functionality
Value for money
Mounting hardware
Noise level
1K+ bought in past month
Best Overall

10.0

1
2 Packs, 2 in 1 CO & Smoke Detectors,Carbon Monoxide Detectors,Smoke Detector Battery Powered,（Include 3 * 1.5V AA Battery）,85 ...
Available in:  3 sizes
Ease of installation
Quality
Functionality
Value for money
Mounting hardware
Noise level
1K+ bought in past month
2

9.9

First Alert Combination Smoke & Carbon Monoxide Alarm, Battery Operated Detector with Test & Silence Button, SMICO100, 1-Pack
Ease of installation
Save 11%

9.9

2
First Alert Combination Smoke & Carbon Monoxide Alarm, Battery Operated Detector with Test & Silence Button, SMICO100, 1-Pack
Ease of installation
Save 11%

9.9

2
First Alert Combination Smoke & Carbon Monoxide Alarm, Battery Operated Detector with Test & Silence Button, SMICO100, 1-Pack
Available in:  4 sizes
Ease of installation
Save 11%
Best Value
Popular
3

9.8

First Alert Smoke Alarm, Battery-Operated Detector with Test & Silence Button, SMI100, 1-Pack
Smoke detector quality
Ease of installation
Value for money
Save 15%
Best Value
Popular

9.8

3
First Alert Smoke Alarm, Battery-Operated Detector with Test & Silence Button, SMI100, 1-Pack
Smoke detector quality
Ease of installation
Value for money
Save 15%
Best Value
Popular

9.8

3
First Alert Smoke Alarm, Battery-Operated Detector with Test & Silence Button, SMI100, 1-Pack
Available in:  3 sizes
Smoke detector quality
Ease of installation
Value for money
Save 15%
4

9.7

First Alert SMI100, Battery-Operated Smoke Alarm, 2-Pack
Smoke detector quality
Ease of installation
Value for money

9.7

4
First Alert SMI100, Battery-Operated Smoke Alarm, 2-Pack
Smoke detector quality
Ease of installation
Value for money

9.7

4
First Alert SMI100, Battery-Operated Smoke Alarm, 2-Pack
Available in:  3 sizes
Smoke detector quality
Ease of installation
Value for money
5

9.5

3 Packs Smoke and Carbon Monoxide Detector Powered by Battery,Portable Smoke Detector Carbon Monoxide Detector Combo with Large...
Ease of installation
Smoke detector quality
Value for money
Size
Save 20%

9.5

5
3 Packs Smoke and Carbon Monoxide Detector Powered by Battery,Portable Smoke Detector Carbon Monoxide Detector Combo with Large...
Ease of installation
Smoke detector quality
Value for money
Size
Save 20%

9.5

5
3 Packs Smoke and Carbon Monoxide Detector Powered by Battery,Portable Smoke Detector Carbon Monoxide Detector Combo with Large...
Available in:  4 colors
Ease of installation
Smoke detector quality
Value for money
Size
Save 20%
6

9.4

Kidde Smoke Detector, 10-Year Battery Powered, LED Warning Light Indicators
Ease of installation
Smoke detector quality
Value for money
Save 16%

9.4

6
Kidde Smoke Detector, 10-Year Battery Powered, LED Warning Light Indicators
Ease of installation
Smoke detector quality
Value for money
Save 16%

9.4

6
Kidde Smoke Detector, 10-Year Battery Powered, LED Warning Light Indicators
Available in:  2 styles ,  3 sizes ,  4 options
Ease of installation
Smoke detector quality
Value for money
Save 16%
Premium Pick
7

9.3

Kidde Smoke Detector, AA Battery Powered, LED Warning Light Indicators, 1 Pack, White, 30CUAR
Ease of installation
Smoke detector quality
Quality
Premium Pick

9.3

7
Kidde Smoke Detector, AA Battery Powered, LED Warning Light Indicators, 1 Pack, White, 30CUAR
Ease of installation
Smoke detector quality
Quality
Premium Pick

9.3

7
Kidde Smoke Detector, AA Battery Powered, LED Warning Light Indicators, 1 Pack, White, 30CUAR
Available in:  2 styles ,  3 sizes
Ease of installation
Smoke detector quality
Quality
8

9.2

Kidde Smoke & Carbon Monoxide Detector, 10-Year Battery Powered, LED Warning Light Indicators, 30CUD10
Ease of installation
Quality
Safety
Read Full Review
Save 15%

9.2

8
Kidde Smoke & Carbon Monoxide Detector, 10-Year Battery Powered, LED Warning Light Indicators, 30CUD10
Ease of installation
Quality
Safety
Save 15%
Read Full Review

9.2

8
Kidde Smoke & Carbon Monoxide Detector, 10-Year Battery Powered, LED Warning Light Indicators, 30CUD10
Available in:  4 sizes ,  2 options
Read Full Review
Ease of installation
Quality
Safety
Save 15%
9

9.0

First Alert Smoke Alarm, 10-Year Sealed Battery Detector with Test & Silence Button, SMI110, 1-Pack
Ease of installation
Smoke detector quality
Value for money
Save 18%

9.0

9
First Alert Smoke Alarm, 10-Year Sealed Battery Detector with Test & Silence Button, SMI110, 1-Pack
Ease of installation
Smoke detector quality
Value for money
Save 18%

9.0

9
First Alert Smoke Alarm, 10-Year Sealed Battery Detector with Test & Silence Button, SMI110, 1-Pack
Available in:  2 styles ,  2 options
Ease of installation
Smoke detector quality
Value for money
Save 18%
10

8.4

First Alert Smoke Alarm, Interconnect Hardwire Detector with Battery Backup, SMI100-AC, 3-Pack
Ease of installation
Functionality
Smoke detector quality
Value for money
Replacement value
Fit
Save 30%

8.4

10
First Alert Smoke Alarm, Interconnect Hardwire Detector with Battery Backup, SMI100-AC, 3-Pack
Ease of installation
Functionality
Smoke detector quality
Value for money
Replacement value
Fit
Save 30%

8.4

10
First Alert Smoke Alarm, Interconnect Hardwire Detector with Battery Backup, SMI100-AC, 3-Pack
Available in:  2 styles ,  4 sizes ,  3 options
Ease of installation
Functionality
Smoke detector quality
Value for money
Replacement value
Fit
Save 30%

Our Top Choice

Best Overall
1

10.0

2 Packs, 2 in 1 CO & Smoke Detectors,Carbon Monoxide Detectors,Smoke Detector Battery Powered,（Include 3 * 1.5V AA Battery）,85 ...
Ease of installation
Quality
Functionality
Value for money
Mounting hardware
Noise level
1K+ bought in past month
Best Overall

10.0

1
2 Packs, 2 in 1 CO & Smoke Detectors,Carbon Monoxide Detectors,Smoke Detector Battery Powered,（Include 3 * 1.5V AA Battery）,85 ...
Ease of installation
Quality
Functionality
Value for money
Mounting hardware
Noise level
1K+ bought in past month
Best Overall

10.0

1
2 Packs, 2 in 1 CO & Smoke Detectors,Carbon Monoxide Detectors,Smoke Detector Battery Powered,（Include 3 * 1.5V AA Battery）,85 ...
Available in:  3 sizes
Ease of installation
Quality
Functionality
Value for money
Mounting hardware
Noise level
1K+ bought in past month
Related Categories
Fire Alarm Smoke DetectorSmoke Alarm for RVFirst Alert Smoke AlarmFire Smoke DetectorSmoke Detector (All)Residential Smoke Detector
How We Rank
Expert Analysis
Our team of experts highlights useful information so you can easily compare products to find the one that's right for you.

Award-Winning Tech
Our technology analyzes thousands of purchase trends to bring you the top product recommendations.

Why Trust Our Reviews?
1,000,000+ shoppers use Buyer's Guide every week to find the best products and services online.

Learn more about our rankings.

Reliable, Safe & Secure
Helping millions of users make smarter purchases online.
Related Categories
Fire Alarm Smoke DetectorSmoke Alarm for RVFirst Alert Smoke AlarmFire Smoke DetectorSmoke Detector (All)Residential Smoke Detector
Related Categories
Fire Alarm Smoke DetectorSmoke Alarm for RVFirst Alert Smoke AlarmFire Smoke DetectorSmoke Detector (All)Residential Smoke Detector