Longlife Battery Smoke Alarms

Forget battery changes for a decade. Sealed lithium batteries power these advanced detectors throughout their entire operational lifespan, providing consistent fire protection without ongoing maintenance hassles.

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Sealed Battery Technology

Tamper-proof construction prevents unauthorised battery removal, ensuring continuous protection even when properties change hands or experience different occupancy patterns. Once installed, these units provide reliable operation for 10 full years.

Lithium chemistry delivers superior performance compared to standard alkaline batteries. These advanced cells maintain consistent voltage throughout their lifespan, ensuring optimal detection sensitivity from installation day through end-of-life replacement.

End-of-life indicators alert users when replacement time arrives. The entire unit requires replacement after 10 years, ensuring detection sensors remain within optimal operating specifications for maximum fire safety effectiveness.

Installation simplicity rivals standard battery units and provides decade-long reliability. Mount using screws or adhesive pads, then enjoy years of protection without battery maintenance concerns.

Property Management Benefits

Rental properties benefit enormously from tamper-proof designs that prevent tenants from disabling protection by removing batteries. Property managers can install these units confident they'll remain operational throughout tenancy periods.

Holiday homes and occasionally occupied properties receive continuous protection without requiring regular maintenance visits. These alarms provide peace of mind for properties that may sit empty for extended periods.

Economic Advantages

Decade-long batteries mean you won't need to replace them during most tenancies. These alarms cost more upfront, but think about what you're getting.

No more battery shopping. No more climbing ladders every year. And those 3am chirping episodes from dying batteries? They're much less likely.

For tenants, it's practical:

  • Buy once at the start of your tenancy.
  • No regular battery replacements needed.
  • Save money on batteries over time.

You'll still need to test the alarm regularly; that's your responsibility. But the sealed battery takes care of itself for up to ten years. The higher upfront cost can make sense when you consider the convenience.

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Front view of a Kidde 10yr battery optical smoke alarm showing test button and vents

10 Year Longlife Battery Optical Smoke Alarm - Kidde 10Y29

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  • 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
4.8 out of 5 stars

From: £14.03 inc VAT

£11.69 ex VAT

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front view of the ultra fire heat alarm showing its circular design and vent details

10 Year Longlife Battery Heat Alarm - UltraFire ULLH10

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Ideal for rooms like garages, kitchens, and lofts where dust or fumes would cause false activations of smoke alarms, the UltraFire ULLH10 features a sealed 10 year battery and 10 year manufacturer's warranty.

  • Battery: 10 year sealed lithium battery
  • Warranty: 10 year manufacturer's warranty
  • Heat sensor suitable for kitchens and garages
4.6 out of 5 stars

From: £17.70 inc VAT

£14.75 ex VAT

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Front view of a hispec longlife optical smoke alarm showing the circular shape and central button

10 Year Longlife Battery Optical Smoke Alarm - Hispec HSABP10

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  • Battery: 10 year sealed lithium battery
  • Warranty: 5 year manufacturer's warranty
  • Large test and hush button
  • Optical smoke sensor suitable for hallways, landings, living rooms, and bedrooms
  • Suitable for BS 5839-6: 2019 Grade F1 installations
  • Kitemarked to BS EN 14604: 2005
Customer Reviews

£17.69 inc VAT

£14.74 ex VAT

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Front view of black and decker multi sensor 10yr battery smoke alarm showing central sensor and logo

BLACK+DECKER Combination Smoke & Heat Alarm - 10 Year Sealed Battery

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  • Product Life: 10 years
  • Battery: Sealed lithium battery
  • Warranty: 5 year manufacturer's warranty
  • Combined optical smoke and heat detector
  • Ideal for hallways, bedrooms, and living areas
  • Suitable for ceiling installation
Customer Reviews

£17.99 inc VAT

£14.99 ex VAT

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Front view of a black and decker smoke alarm showing the central button and brand logo on a white circular device

BLACK+DECKER Smoke Alarm - 10 Year Sealed Battery

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  • Battery: 10 year sealed lithium battery
  • Warranty: 5 year warranty
  • Optical smoke sensor technology
  • Features a combined test / hush button
  • Suitable for BS 5839-6: 2019 Grade F1 installations
  • Kitemarked to BS EN 14604: 2005
Customer Reviews

£13.99 inc VAT

£11.66 ex VAT

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black and decker smoke alarm twin pack showing front view of two round white alarms with central buttons and logo visible

BLACK+DECKER 10 Year Sealed Battery Smoke Alarm - Twin Pack

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  • Value twin pack for even more coverage
  • 5 year warranty
  • Optical smoke sensor for all living spaces
  • Suitable for BS 5839-6: 2019 Grade F1 installations
  • Kitemarked to BS EN 14604: 2005
Customer Reviews

£25.00 inc VAT

£20.83 ex VAT

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Two round white HiSpec RF Pro alarms, one labelled “Smoke Alarm” and the other “Heat Alarm,” each with a curved front design and central test button.

Radio-Interlinked Sealed Battery Powered Smoke & Heat Alarms - Hispec RF10-PRO Range

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  • Battery: 10 year sealed lithium battery
  • Warranty: 5 year warranty
  • Radio-interlink up to 20 Hispec RF10-PRO Alarms
  • Suitable for BS 5839-6: 2019 Grade F1 installations
  • Compatible with the Hispec Control Unit and Carbon Monoxide Alarm
  • Alarms sold separately
  • Compliant with Scottish 2022 and Northern Ireland Landlord 2024 legislation
4.8 out of 5 stars

From: £30.05 inc VAT

£25.04 ex VAT

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Three round devices from the radio interlinked sealed battery 2 smoke 1 heat alarm kit shown together on a white background

Radio-Interlinked Sealed Battery 2 Smoke and 1 Heat Alarm Kit - Hispec RF10-PRO Range

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  • Battery: 10 year sealed lithium battery
  • Warranty: 5 year warranty
  • Radio-interlink up to 20 Hispec RF10-PRO Alarms
  • Suitable for BS 5839-6: 2019 Grade F1 installations
  • Compatible with the Hispec Control Unit and Carbon Monoxide Alarm
  • Also suitable for the 2022 Scottish legislation
4.6 out of 5 stars
£91.28 inc VAT

£70.44 inc VAT

£58.70 ex VAT

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Group of four round white smoke and heat alarms from the radio interlinked sealed battery 3 smoke alarms 1 heat alarm kit

Radio-Interlinked Sealed Battery 3 Smoke and 1 Heat Alarm Kit - Hispec RF10-PRO Range

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  • Battery: 10 year sealed lithium battery
  • Warranty: 5 year warranty
  • Wirelessly interlink up to 20 Hispec RF10-PRO devices
  • Suitable for BS 5839-6: 2019 Grade F1 installations
  • Compatible with the Hispec Control Unit and Carbon Monoxide Alarm
  • Also suitable for the 2022 Scottish legislation
4.7 out of 5 stars
£121.33 inc VAT

£93.29 inc VAT

£77.74 ex VAT

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Group of radio interlinked sealed battery smoke and heat alarms from the radio interlinked sealed battery 3 smoke 1 heat 1 co alarm kit

Radio-Interlinked Sealed Battery 3 Smoke, 1 Heat, and 1 CO Alarm Kit - Hispec RF10-Pro Range

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  • Battery: 10 year sealed lithium battery
  • Warranty: 5 year warranty
  • Radio-interlink up to 20 Hispec RF10-Pro Alarms
  • Suitable for BS 5839-6: 2019 Grade F1 installations
  • Compatible with the Hispec Control Unit
  • Also suitable for the 2022 Scottish legislation
5 out of 5 stars
£167.38 inc VAT

£113.56 inc VAT

£94.63 ex VAT

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Front view of a FireAngel combination optical smoke carbon monoxide alarm showing test button and indicator lights

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

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  • Product Lifespan: 10 years
  • Battery: Built-in, lasts the life time of your product
  • Warranty: 3 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)
4.6 out of 5 stars

From: £34.63 inc VAT

£28.86 ex VAT

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Front view of the fireangel pro connected fp1720w2 r heat alarm showing its circular design and central sensor area

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

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  • 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
4.6 out of 5 stars

£66.14 inc VAT

£55.12 ex VAT

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Front view of the firehawk optical smoke alarm showing its circular design and central sensor area

10 Year Sealed Lithium Battery Optical Smoke Alarm - Firehawk FHB10

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  • Battery: 10 year sealed lithium battery
  • Warranty: 10 year manufacturer's warranty
  • Suitable for BS 5839-6: 2019 Grade F1 installation
  • Optical smoke sensor suitable for hallways, landings, living rooms, and bedrooms
  • CE and Kitemarked to BS EN 14604: 2005
5 out of 5 stars
£11.39 inc VAT

From: £10.09 inc VAT

£8.41 ex VAT

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Front view of firehawk optical rf link smoke alarm showing sensor and vent openings

10 Year Sealed Lithium Battery RF-LINK Optical Smoke Alarm - FireHawk FHB10-RF

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  • Battery: 10 year sealed lithium battery
  • Warranty: 7 year manufacturer's warranty
  • Radio-interlink up to 20 compatible alarms
  • Suitable for BS 5839-6: 2019 Grade F1 installation
  • Optical smoke sensor suitable for hallways, landings, living rooms, and bedrooms
  • Also suitable for the 2022 Scottish legislation
Customer Reviews

£31.85 inc VAT

£26.54 ex VAT

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ei optical smoke alarm with radio interlink shown next to its green and white packaging box

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

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  • 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
4.7 out of 5 stars

£87.68 inc VAT

£73.07 ex VAT

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Free Delivery
Replacement for fireangel st 620 10 year smoke alarm ultrafire ulls10 showing the alarm and mounting base with arrows indicating swap direction

Replacement for FireAngel ST-620 10 Year Smoke Alarm - Firehawk FHB10

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  • Easily replace FireAngel ST-620 alarm with Firehawk FHB10
  • Adaptor plate simply twists onto existing baseplate
  • Battery: 10 year sealed lithium battery
  • Warranty: 10 year manufacturer's warranty
  • Combined test and silence button
  • Suitable for BS 5839-6: 2019 Grade F1 installations
  • CE and Kitemarked to BS EN 14604: 2005
Customer Reviews
£16.78 inc VAT

£15.48 inc VAT

£12.90 ex VAT

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Replacement for fireangel si 610 10 year smoke alarm ultrafire ulls10 shown with swap image and arrows indicating installation steps

Replacement for FireAngel SI-610 10 Year Smoke Alarm - Firehawk FHB10

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  • Easily replace FireAngel SI-610 alarm with Firehawk FHB10
  • Adaptor plate simply twists onto existing baseplate
  • Battery: 10 year sealed lithium battery
  • Warranty: 10 year manufacturer's warranty
  • Combined test and silence button
  • Suitable for BS 5839-6: 2019 Grade F1 installations
  • CE and Kitemarked to BS EN 14604: 2005
Customer Reviews
£16.78 inc VAT

£15.48 inc VAT

£12.90 ex VAT

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Free Delivery
Replacement for FireAngel SO 601 9v optical smoke alarm showing front, back, and mounting base with arrows indicating swap steps

Replacement for FireAngel SO-601 9V Optical Smoke Alarm - Firehawk FHB10

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  • Easily replace FireAngel SO-601 alarm with Firehawk FHB10
  • Adaptor plate simply twists onto existing baseplate
  • Battery: 10 year sealed lithium battery
  • Warranty: 10 year manufacturer's warranty
  • Combined test and silence button
  • Suitable for BS 5839-6: 2019 Grade F1 installations
  • CE and Kitemarked to BS EN 14604: 2005
Customer Reviews
£16.78 inc VAT

£15.48 inc VAT

£12.90 ex VAT

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