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Battery Smoke Alarms

All of our battery-powered smoke alarms are suitable for Grade F installations and meet the requirements for Grade F1 and Grade F2. Please see our guide to BS 5839-6: 2019 for more information on Grades of alarms.

Page 1 (20 of 34 Products)
Image of the Battery Optical Smoke Alarm - Kidde 29HD

Battery Optical Smoke Alarm - Kidde 29HD

  • FREE delivery
  • Battery: 9V alkaline battery (included)
  • Warranty: 5 year warranty
  • Features test and hush buttons
  • Sleek and compact design
  • Suitable for BS 5839-6: 2019 Grade F2 installations
  • Certified to BS EN 14604:2005
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4.7 out of 5 stars
1 unit

£9.48 inc VAT

£7.90 ex VAT

2+ units

£9.24 inc VAT

£7.70 ex VAT

5+ units

£9.12 inc VAT

£7.60 ex VAT

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Image of the 10 Year Longlife Battery Optical Smoke Alarm - Kidde 10Y29

10 Year Longlife Battery Optical Smoke Alarm - Kidde 10Y29

  • FREE delivery
  • Battery: Built-in, lasts the lifetime of your alarm - GUARANTEED
  • Warranty: 10 year warranty
  • Features test and hush buttons
  • Low Volume Test feature
  • Suitable for BS 5839-6: 2019 (Grade F1 installations)
  • Kitemarked to BS EN 14604:2005
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4.7 out of 5 stars

Save 27%

Now: £12.95 inc VAT

£10.79 ex VAT

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Image of the 10 Year Thermally Enhanced Optical Smoke Alarm (Thermoptek) - FireAngel ST-622

10 Year Thermally Enhanced Optical Smoke Alarm (Thermoptek) - FireAngel ST-622

  • FREE delivery
  • Battery: Built-in, lasts the lifetime of your alarm - GUARANTEED
  • Warranty: 5 year warranty
  • Combined smoke and heat alarm (Thermoptek)
  • Test, hush and Sleep Easy™ feature
  • Optical sensor less prone to false alarms
  • Suitable for BS 5839-6: 2019 (Grade F1 installations)
  • Kitemarked to BS EN 14604:2005
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4.8 out of 5 stars
1 unit

£13.98 inc VAT

£11.65 ex VAT

2+ units

£13.50 inc VAT

£11.25 ex VAT

5+ units

£13.26 inc VAT

£11.05 ex VAT

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Image of the Combination Carbon Monoxide and Smoke Alarm 10 Yr Warranty - Kidde 10SCO

Combination Carbon Monoxide and Smoke Alarm 10 Yr Warranty - Kidde 10SCO

  • FREE delivery
  • Product Lifespan: 10 years
  • Battery: 9V alkaline battery (included)
  • Warranty: 10 year warranty
  • Voice Alarm and Sounder: Different Warning Messages for Smoke and CO
  • Kitemarked to BS EN 50291-1:2010 (CO alarm for domestic use)
  • Kitemarked to BS EN 14604:2005 (smoke alarm)
  • Suitable for ceiling installation
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4.8 out of 5 stars
1 unit

£19.88 inc VAT

£16.57 ex VAT

2+ units

£19.04 inc VAT

£15.87 ex VAT

5+ units

£18.80 inc VAT

£15.67 ex VAT

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Image of the 10 Year Longlife Battery Combination Carbon Monoxide and Smoke Alarm - Kidde WFPCO

10 Year Longlife Battery Combination Carbon Monoxide and Smoke Alarm - Kidde WFPCO

  • FREE delivery
  • Product Lifespan: 10 years
  • Battery: Built-in, lasts the lifetime of your alarm - GUARANTEED
  • Warranty: 10 year warranty
  • Detects both carbon monoxide and smoke hazards
  • Certified to EN 14604: 2005
  • Certified to EN 50291-1: 2010 (domestic use)
  • Suitable for ceiling installation
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4.9 out of 5 stars
1 unit

£23.70 inc VAT

£19.75 ex VAT

2+ units

£23.46 inc VAT

£19.55 ex VAT

5+ units

£23.10 inc VAT

£19.25 ex VAT

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Image of the Kidde 29HD Optical Smoke Alarm & 5CO Carbon Monoxide Detector Special Offer

Kidde 29HD Optical Smoke Alarm & 5CO Carbon Monoxide Detector Special Offer

  • FREE delivery
  • Battery powered optical smoke alarm
  • Certified to BS EN 14604:2005
  • Battery powered carbon monoxide detector
  • Kitemarked and CE marked
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4.6 out of 5 stars

Save 6%

Now: £18.59 inc VAT

£15.49 ex VAT

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Image of the Kidde 10Y29 Optical Smoke Alarm & 10LLCO Carbon Monoxide Detector Special Offer

Kidde 10Y29 Optical Smoke Alarm & 10LLCO Carbon Monoxide Detector Special Offer

  • FREE delivery
  • 10 year battery powered optical smoke alarm
  • Certified to BS EN 14604:2005
  • 10 year battery powered carbon monoxide detector
  • Kitemarked and CE marked
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4.7 out of 5 stars

Save 5%

Now: £26.99 inc VAT

£22.49 ex VAT

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Image of the Battery Heat Alarm - UltraFire UBH1

Battery Heat Alarm - UltraFire UBH1

  • FREE delivery
  • Battery: AA alkaline batteries (included)
  • Warranty: 5 year warranty
  • Large test and hush button
  • Suitable for BS 5839-6: 2019 Grade F2 installations
  • Kitemarked to BS 5446-2: 2003
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5 out of 5 stars
1 unit

£10.19 inc VAT

£8.49 ex VAT

2+ units

£9.59 inc VAT

£7.99 ex VAT

5+ units

£8.99 inc VAT

£7.49 ex VAT

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Image of the Battery Heat Alarm - First Alert HA300

Battery Heat Alarm - First Alert HA300

  • Battery: 9V alkaline battery (included)
  • Warranty: 5 year warranty
  • Test and hush button feature
  • 85dB audible alarm upon activation
  • Suitable for BS 5839-6: 2019 Grade F2 installations
  • Certified to BS 5446-2:2003
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4.6 out of 5 stars
1 unit

£10.79 inc VAT

£8.99 ex VAT

2+ units

£10.55 inc VAT

£8.79 ex VAT

5+ units

£10.43 inc VAT

£8.69 ex VAT

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Image of the 10 Year Longlife Battery Heat Alarm - FireAngel HT-630

10 Year Longlife Battery Heat Alarm - FireAngel HT-630

  • Battery: Built-in, lasts the lifetime of your alarm - GUARANTEED
  • Warranty: 10 year warranty
  • Test and hush button feature
  • Quick reaction to rapid rise in temperature
  • Suitable for BS 5839-6: 2019 Grade F1 installations
  • Kitemarked to BS EN 14604:2005
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4.8 out of 5 stars
1 unit

£13.44 inc VAT

£11.20 ex VAT

2+ units

£13.20 inc VAT

£11.00 ex VAT

5+ units

£13.08 inc VAT

£10.90 ex VAT

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Image of the Carbon Monoxide and Smoke Combination Alarm - First Alert SCO5UK

Carbon Monoxide and Smoke Combination Alarm - First Alert SCO5UK

  • Product Lifespan: 7 years
  • Battery: 2 x AA alkaline battery (included)
  • Warranty: 7 year warranty
  • Test and hush button feature
  • Combined optical smoke and CO alarm
  • Certified to BS EN 14604:2005 (smoke)
  • Certified to BS EN 50291-1:2010 (carbon monoxide)
  • Suitable for ceiling installation
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4.6 out of 5 stars
1 unit

£20.39 inc VAT

£16.99 ex VAT

2+ units

£20.03 inc VAT

£16.69 ex VAT

5+ units

£19.55 inc VAT

£16.29 ex VAT

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Image of the 10 Year Longlife Battery Combination Optical Smoke and CO Alarm - FireAngel SCB10-R

10 Year Longlife Battery Combination Optical Smoke and CO Alarm - FireAngel SCB10-R

  • Product Lifespan: 10 years
  • Battery: Built-in, lasts the life time of your product - GUARANTEED
  • Warranty: 5 Year Warranty
  • Combined optical smoke and carbon monoxide detector
  • Ideal for hallways, bedrooms and living areas
  • Sleep Easy™ function
  • Kitemarked to EN 14604:2005 (smoke detection)
  • Kitemarked to EN 50291-1 (carbon monoxide detection)
  • Suitable for ceiling installation
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5 out of 5 stars
1 unit

£32.22 inc VAT

£26.85 ex VAT

2+ units

£31.98 inc VAT

£26.65 ex VAT

5+ units

£31.86 inc VAT

£26.55 ex VAT

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Image of the Radio-Interlinked Battery Powered Optical Smoke Alarm - UltraFire UBS1RF

Radio-Interlinked Battery Powered Optical Smoke Alarm - UltraFire UBS1RF

  • Battery: AA alkaline batteries (included)
  • Warranty: 5 year warranty
  • Large test and hush button
  • Toast-proof sensor
  • Wireless interlink up to 50 compatible alarms
  • No central control panel needed
  • Suitable for BS 5839-6: 2019 Grade F2 installations
  • Certified to BS EN 14604:2005
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4.6 out of 5 stars

Save 17%

Now: £29.99 inc VAT

£24.99 ex VAT

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Image of the Radio-Interlinked Battery Powered Heat Alarm - UltraFire UBH1RF

Radio-Interlinked Battery Powered Heat Alarm - UltraFire UBH1RF

  • Battery: AA alkaline batteries (included)
  • Warranty: 5 year warranty
  • Large test and hush button
  • Wireless interlink up to 50 compatible alarms
  • Range of up to 35m in buildings
  • Suitable for BS 5839-6: 2019 Grade F2 installations
  • Certified to BS 5446-2:2003
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5 out of 5 stars

Save 17%

Now: £29.99 inc VAT

£24.99 ex VAT

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Image of the Radio-Interlinked Smoke Alarms and Heat Alarm Home Essentials Kit - UltraFire UFUB1RFKIT

Radio-Interlinked Smoke Alarms and Heat Alarm Home Essentials Kit - UltraFire UFUB1RFKIT

  • Battery powered with AA alkaline batteries
  • Warranty: 5 year warranty
  • Large test & hush button
  • Wirelessly interlink up to 50 UltraFire UB1RF series alarms
  • 2 x optical smoke alarms and 1 x heat alarm included
  • Suitable for BS 5839-6: 2019 Grade F2 installations
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5 out of 5 stars

Save 22%

Now: £83.99 inc VAT

£69.99 ex VAT

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Image of the 10 Year Longlife Battery Radio-Interlinked Smoke Alarm - FireAngel Pro Connected FP2620W2-R

10 Year Longlife Battery Radio-Interlinked Smoke Alarm - FireAngel Pro Connected FP2620W2-R

  • Battery: Built-in, lasts the lifetime of your alarm – GUARANTEED
  • Warranty: 5 year warranty
  • Can interlink with up to 50 Wi-Safe 2 compatible devices
  • Features a central button for test, hush and locate
  • Range of up to 35m in buildings
  • Suitable for BS 5839-6: 2019 Grade F1 installations
  • Kitemarked to EN 14604:2005
  • Also suitable for the 2022 Scottish legislation
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4.7 out of 5 stars

£47.99 inc VAT

£39.99 ex VAT

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Image of the 10 Year Longlife Battery Radio-Interlinked Heat Alarm - FireAngel Pro Connected FP1720W2-R

10 Year Longlife Battery Radio-Interlinked Heat Alarm - FireAngel Pro Connected FP1720W2-R

  • Battery: Built-in, lasts the lifetime of your alarm – GUARANTEED
  • Warranty: 5 year warranty
  • Can interlink with up to 50 Wi-Safe 2 compatible devices
  • Large central button for test, hush and locate
  • Range of up to 35m in buildings
  • Suitable for BS 5839-6: 2019 Grade F1 installations
  • Kitemarked to BS 5446-2: 2003
  • Also suitable for the 2022 Scottish legislation
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4.6 out of 5 stars

£47.99 inc VAT

£39.99 ex VAT

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Image of the 10 Year Longlife Battery Radio-Interlinked Heat Alarm - Aico Ei603RF

10 Year Longlife Battery Radio-Interlinked Heat Alarm - Aico Ei603RF

  • Battery: Built-in, lasts the lifetime of your alarm
  • Warranty: 5 year warranty
  • Radio-interlinked heat alarm
  • Built-in RadioLINK+ repeater function
  • Self-tests every 16 seconds
  • Twist-on base design for simple installation
  • Suitable for BS 5839-6: 2019 Grade F1
  • Kitemarked to BS 5446-2: 2003
  • Also suitable for the 2022 Scottish legislation
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4.8 out of 5 stars

£131.03 inc VAT

£109.19 ex VAT

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Image of the 10 Year Longlife Battery Radio-Interlinked Smoke Alarm - Aico Ei650RF

10 Year Longlife Battery Radio-Interlinked Smoke Alarm - Aico Ei650RF

  • Battery: Built-in, lasts the lifetime of your alarm
  • Warranty: 5 year warranty
  • Wirelessly interlinks via radio frequency with up to 12 alarms
  • Twist-on base, simple to install
  • LED function indicators
  • Suitable for BS 5839-6: 2019 Grade F1 installations
  • Certified to BS EN 14604: 2005
  • Also suitable for the 2022 Scottish legislation
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5 out of 5 stars

£123.83 inc VAT

£103.19 ex VAT

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Battery Powered Smoke Alarms

Battery Powered Smoke Alarms

Battery operated smoke alarms are the entry-level of fire detection, typically powered by a single 9V PP3 battery or two 1.5V AA batteries – or by sealed longlife lithium cells which do not need replacing for the full lifespan of the smoke detectors. Battery-powered smoke alarms are further divided into ionisation, optical and heat alarms. Ionisation alarms are suitable for landings and optical smoke detectors for bedrooms, living rooms and hallways. Heat alarms are designed to be installed in the kitchen and garage, along with other rooms in which optical or ionisation sensors would suffer false alarms due to dust, fumes, steam, or other contaminants.

Within the battery operated detector range there is a gradual improvement from simple standalone AA-powered smoke detection to thermally enhanced alarms with 10-year sealed batteries which are capable of interlinking with mains-powered alarms via radio frequency. Interlinked smoke alarms have the advantage that if one alarm detects a fire, all other smoke alarms get notified as well and will sound. This is particularly important if, for example, the bedrooms are far removed from the kitchen or if specialist equipment is needed such as strobe lights and vibrating pads for deaf occupants.

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