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Best Smoke Alarms

Smoke Detector Comparison 2026

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Best Product
EI Electronics Ei650
EI Electronics Ei650
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Amazon
Best Price
X-Sense SD11
X-Sense SD11
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Amazon
Bestseller
X-Sense XS0G-SN
X-Sense XS0G-SN
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Amazon
X-Sense smoke detector
X-Sense smoke detector
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Amazon
EI Electronics EI650I-3XD
EI Electronics EI650I-3XD
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Amazon
Bosch BSD-2 II
Bosch BSD-2 II
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Amazon
Hekatron Genius Plus X
Hekatron Genius Plus X
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Amazon
Our Ratings
Model
Customer Ratings
Seller
Available From
Manufacturer
Type
Defect gas type
Maximum volume
Power supply
Battery life
Batteries included
EN 14604 certified
Control lamp
Mounting accessories
Dimensions
Weight
Colour
Casing material
Display features
Advantages
1
Best Product
EI Electronics Ei650
Vergleichsergebnis
Rating
Excellent
05 / 2026
Model
EI Electronics Ei650
Bewertung
13898 Reviews
Zum Anbieter
Amazon
Available at
amazon
£20.78
eBay
£29.49
Manufacturer
EI Electronics
Type
Optical smoke detector
Defect gas type
Smoke
Maximum volume
85 dB
Power supply
A battery, Battery
Battery life
10 Years
Batteries included
EN 14604 certified
Control lamp
Mounting accessories
Dimensions
1,8 x 4,5 x 4,5 in
Weight
6,5 oz
Colour
White
Casing material
Polycarbonate
Display features
Advantages
  • Batteries are included
  • Has a control lamp
2
Best Price
X-Sense SD11
Vergleichsergebnis
Rating
Excellent
05 / 2026
Model
X-Sense SD11
Bewertung
7245 Reviews
Zum Anbieter
Amazon
Available at
amazon
£11.99
eBay
£14.99
Manufacturer
X-Sense
Type
Optical smoke detector
Defect gas type
Smoke
Maximum volume
85 dB
Power supply
Battery
Battery life
Batteries included
EN 14604 certified
Control lamp
Mounting accessories
Dimensions
1,8 x 4,8 x 4,8 in
Weight
Colour
White
Casing material
ABS
Display features
Advantages
3
Bestseller
X-Sense XS0G-SN
Vergleichsergebnis
Rating
Excellent
09 / 2026
Model
X-Sense XS0G-SN
Bewertung
867 Reviews
Zum Anbieter
Amazon
Available at
amazon
£20.39
eBay
Check Price
Manufacturer
X-Sense
Type
Defect gas type
Smoke
Maximum volume
Power supply
Battery
Battery life
Batteries included
EN 14604 certified
Control lamp
Mounting accessories
Dimensions
Weight
Colour
White
Casing material
Display features
Advantages
  • Has a control lamp
  • No additional purchase of batteries necessary
4
X-Sense smoke detector
Vergleichsergebnis
Rating
Excellent
05 / 2026
Model
X-Sense smoke detector
Bewertung
975 Reviews
Zum Anbieter
Amazon
Available at
amazon
£12.79
eBay
£23.99
Manufacturer
X-Sense
Type
Defect gas type
Smoke
Maximum volume
85 dB
Power supply
Battery
Battery life
10 Years
Batteries included
EN 14604 certified
Control lamp
Mounting accessories
Dimensions
1,8 x 4,8 x 4,8 in
Weight
Colour
White
Casing material
Display features
Advantages
5
EI Electronics EI650I-3XD
Vergleichsergebnis
Rating
Excellent
05 / 2026
Model
EI Electronics EI650I-3XD
Bewertung
580 Reviews
Zum Anbieter
Amazon
Available at
amazon
£26.80
eBay
Check Price
Manufacturer
EI Electronics
Type
Optical smoke detector
Defect gas type
Carbon monoxide, Smoke
Maximum volume
85 dB
Power supply
A battery, Battery
Battery life
10 Years
Batteries included
EN 14604 certified
Control lamp
Mounting accessories
Dimensions
2,2 x 4,7 x 5,9 in
Weight
6,3 oz
Colour
White
Casing material
Plastic
Display features
Advantages
  • Batteries are included
6
Bosch BSD-2 II
Vergleichsergebnis
Rating
Excellent
05 / 2026
Model
Bosch BSD-2 II
Bewertung
726 Reviews
Zum Anbieter
Amazon
Available at
amazon
£59.95
eBay
£49.99
Currys.co.uk
£59.99
Manufacturer
Bosch
Type
Optical smoke detector
Defect gas type
Smoke
Maximum volume
85 dB
Power supply
Lithium metal battery, Battery
Battery life
5 Years
Batteries included
EN 14604 certified
Control lamp
Mounting accessories
Dimensions
1,6 x 5,4 x 5,4 in
Weight
5,5 oz
Colour
White
Casing material
Plastic
Display features
Advantages
  • An control lamp is included
  • Already contains batteries
7
Hekatron Genius Plus X
Vergleichsergebnis
Rating
Excellent
05 / 2026
Model
Hekatron Genius Plus X
Bewertung
728 Reviews
Zum Anbieter
Amazon
Available at
amazon
£31.19
eBay
Check Price
Manufacturer
Hekatron
Type
Optical smoke detector
Defect gas type
Fire smoke, Carbon monoxide
Maximum volume
85 dB
Power supply
AA battery, Battery, Power adapter
Battery life
10 Years
Batteries included
EN 14604 certified
Control lamp
Mounting accessories
Dimensions
12,6 x 4,3 x 44,1 in
Weight
7,4 oz
Colour
White
Casing material
Plastic
Display features
Advantages
  • An control lamp is included
  • Already contains batteries