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Longlife Battery Smoke Alarms

These smoke alarms have sealed-in 10 year lithium batteries, which last the full life of the smoke detector. No battery changing is necessary, no unauthorised removal of the battery and a tamper-proof design feature make these alarms a safe and economic choice. Ideal for landlords and rented properties, these 10 year detectors offer peace of mind and compliance.

Sealed 10 year batteries mean that these alarms meet not only the previous Grade F requirements from BS 5839 Part 6: 2013, but are also suitable for both Grade F2 and F1 installations. Please see our guide to BS 5839-6: 2019 for more information on Grades of alarm.

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

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

  • 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
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5 out of 5 stars

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Now: £146.61 inc VAT

£122.18 ex VAT

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Image of the Replacement for FireAngel SO-601 9V Optical Smoke Alarm - FireAngel FA6120-INT

Replacement for FireAngel SO-601 9V Optical Smoke Alarm - FireAngel FA6120-INT

  • Easily replace FireAngel SO-601 with FireAngel FA6120-INT
  • Battery: 10 year sealed lithium battery
  • Warranty: 5 year manufacturer's warranty
  • Combined test and hush button
  • Suitable for BS 5839-6: 2019 Grade F1 installations
  • CE, UKCA, and Certified to EN 14604: 2005
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5 out of 5 stars

£18.90 inc VAT

£15.75 ex VAT

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Image of the Replacement for FireAngel ST-620 10 Year Smoke Alarm - FireAngel FA6120-INT

Replacement for FireAngel ST-620 10 Year Smoke Alarm - FireAngel FA6120-INT

  • Easily replace FireAngel ST-620 alarms with the FireAngel FA6120-INT
  • Battery: 10 year sealed lithium battery
  • Warranty: 5 year manufacturer's warranty
  • Large combined test and silence button
  • Suitable for BS 5839-6: 2019 Grade F1 installations
  • CE marked, UKCA marked, and Certified to BS EN 14604: 2005
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4.7 out of 5 stars

£18.90 inc VAT

£15.75 ex VAT

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Image of the Replacement for FireAngel SI-610 10 Year Smoke Alarm - FireAngel FA6120-INT

Replacement for FireAngel SI-610 10 Year Smoke Alarm - FireAngel FA6120-INT

  • Easily replace FireAngel SI-610 alarms with the FireAngel FA6120-INT
  • Battery: 10 year sealed lithium battery
  • Warranty: 5 year manufacturer's warranty
  • Large combined test and silence button
  • Suitable for BS 5839-6: 2019 Grade F1 installations
  • CE marked, UKCA marked, and Certified to BS EN 14604: 2005
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4.9 out of 5 stars

£18.90 inc VAT

£15.75 ex VAT

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Image of the Radio-Interlinked Sealed Battery 2 Smoke Alarms & 1 Heat Alarm Kit - Firehawk W Series

Radio-Interlinked Sealed Battery 2 Smoke Alarms & 1 Heat Alarm Kit - Firehawk W Series

  • Detector Battery: 10 Year Sealed Lithium
  • Wireless Base Battery: 7 Year Sealed Lithium
  • Warranty: 7 year manufacturer's warranty
  • Easy expansion – Interlink up to 15 alarms
  • Also suitable for the 2022 Scottish legislation
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Image of the Radio-Interlink Sealed Battery 3 Smoke and 1 Heat Alarm Kit - Firehawk W Series

Radio-Interlink Sealed Battery 3 Smoke and 1 Heat Alarm Kit - Firehawk W Series

  • Detector Battery: 10 year sealed lithium battery
  • Wireless Base Battery: 7 Year Sealed Lithium
  • Warranty: 7 year manufacturer's warranty
  • Easy expansion – Interlink up to 15 alarms
  • Also suitable for the 2022 Scottish legislation
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This product is temporarily unavailable.

Image of the Radio-Interlink Sealed Battery 3 Smoke, 1 Heat Alarm and CO Alarm Kit - Firehawk W Series

Radio-Interlink Sealed Battery 3 Smoke, 1 Heat Alarm and CO Alarm Kit - Firehawk W Series

  • Detector Battery: 10 year sealed lithium battery
  • Wireless Base Battery: 7 year sealed lithium
  • Warranty: 7 year manufacturer's warranty
  • Easy expansion – Interlink up to 15 alarms
  • Also suitable for the 2022 Scottish legislation
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This product is temporarily unavailable.

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Sealed 10 Year Smoke Alarms

Sealed 10 Year Smoke Alarms

Sealed smoke alarms contain a longlife lithium battery that supplies power for the entire ten year life of the smoke detector. At the end of the battery life the power supply is interrupted manually to stop the smoke alarm chirping and the alarm is disposed. 10 Year smoke alarms give peace of mind, stop anybody removing the battery for other purposes and avoid the smoke detector being on the ceiling with the battery removed (as happens often when a smoke alarm has false alarmed or is chirping to indicate a low battery state).
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