Fireangel optical smoke alarm with 10 year sealed for life battery in comparison
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Last updated on 18.09.2026
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FireAngel ST-622T Thermoptek Smoke Alarm – 10 Year Sealed Lithium Battery, Multi-Sensor Optical Detection, Easy Install, Standalone FireAngel Smoke Alarm for Home
Fireangel
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9,9
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2
FireAngel FA6620 Optical, Battery Powered Fire/Smoke Alarms for Home | 1-Pack, 10-Year Battery Smoke Alarm Detector, Replacing FireAngel ST-622/ST-620, Fire Alarms for Home
Fireangel
free shipping
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9,8
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3
FireAngel FA6615-R Optical 10-Year Fire/Smoke Alarms for Home | 2-Pack, Early Smoke Alarm Detector with 5-Year Replaceable Batteries, Fire Alarms for Home
Fireangel
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9,5
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4
FireAngel SCB10-R Combined Smoke & Carbon Monoxide Alarm/Detector for Home | 1-Pack, Combination Carbon Monoxide Detector and Smoke Alarms for Home, Fire Detector
Fireangel
free shipping
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9,5
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5
FireAngel FA6615-R Optical 10-Year Fire/Smoke Alarms for Home | 1-Pack, Early Smoke Alarm Detector with 5-Year Replaceable Batteries, Fire Alarms for Home
Fireangel
free shipping
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9,5
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6
FireAngel FA6629S Ultra Slim Smoke Alarms for Home, 10-Year Battery Smoke Alarm, Optical Smoke Detector Fire Alarm, 115 mm x 23.5 mm, White, 1-Pack
Fireangel
free shipping
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9,5
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7
FireAngel FA6720-R Heat Alarm/Detector for Kitchen with 10-Year Battery | 1-Pack, Heat Detector for Kitchen, Fire Alarm for Home, FireAngel HT-630 Replacement
Fireangel
free shipping
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9,5
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8
FireAngel Optical Smoke Alarm with Escape Light - FA6611-R 10-Year Smoke Alarms for Home with 3-Year Replaceable Batteries - Early Smoke Detector Fire Alarm - ST-623E Replacement - White
Fireangel
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9,5
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9
FireAngel Smoke and Carbon Monoxide Alarm 2-Pack - SB1-R Toast Proof Optical Smoke Alarm for Home and FA3313 10-Year Life Carbon Monoxide Detector with Replaceable Batteries - CO and Fire Safety Set
Fireangel
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9,5
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10
FireAngel SW1-R Mains Smoke Alarm/Detector for Home with Backup Battery | 1-Pack, Interlinked, Hard Wired Smoke Alarms for Home with Test Button and LED Indicators
Fireangel
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9,5
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You might also be interested in these fireangel optical smoke alarm with 10 year sealed for life battery.
FireAngel ST-622T Smoke Alarm, 2 Pack
Thermoptek multi-sensor rapidly detects fast flaming & slow smouldering fires Smart silence - silence your smoke alarm by momentarily pressing the test button, Ideal for nuisance alarms Toast proof - less prone to nuisance alarms from cooking fumes Product life span: 10 year.
£ 15.00
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To the product (4 offers)
Fire Angel ST-622 FireAngel ST622 Smoke Detector
10 YEAR SEALED LITHIUM BATTERY: Powered by a sealed long-life lithium battery designed to last the full lifespan of the alarm, eliminating the need for battery replacements.
£ 23.99
free shipping
To the product (2 offers)
FireAngel FP2620W2-R Pro Connected Interlinked Smoke Alarms for Home | 1-Pack, 10-Year Battery Linked Fire Alarms for Home w/ App, Smart Smoke Detector
SMART SMOKE DETECTOR: Featuring Thermoptek technology, multiple installation styles, and optional real time alerts, the wireless smart smoke alarm rapidly senses all types of fire, offering the highest level of protection for you and your family.
£ 30.00
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To the product (6 offers)
FireAngel Optical Smoke Alarm with 10 Year Sealed For Life Battery, FA6620-R-T2 - Twin Pack, White & Heat Alarm with 10 Year Sealed For Life Battery, FA6720-R (HT-630 replacement, new gen)
Product 1: The perfect replacement for FireAngel ST-622, ST-620 and ST-750 models, these alarms will fit on to the existing baseplates, or can be installed easily using the supplied bases and 2 screws Product 1: With optical sensing technology smoke is rapidly detected as it enters the alarm chamber, for a quick reaction to slow burning fires Product 1: The alarms come with sealed, tamper proof batteries that will last the lifetime of the alarms.
£ 35.22
To the product (1 offer)
FireAngel Optical Smoke Alarm with 10 Year Sealed For Life Battery, FA6620-R-T2 & FA3313 Carbon Monoxide Detector and Alarm with 1 Year Replaceable Batteries (Replacement for FireAngel CO-9B)
Product 1: The perfect replacement for FireAngel ST-622, ST-620 and ST-750 models, these alarms will fit on to the existing baseplates, or can be installed easily using the supplied bases and 2 screws Product 1: With optical sensing technology smoke is rapidly detected as it enters the alarm chamber, for a quick reaction to slow burning fires Product 1: The alarms come with sealed, tamper proof batteries that will last the lifetime of the alarms.
£ 40.24
To the product (1 offer)
FireAngel SCB10-R Smoke and CO Alarm, White & Optical Smoke Alarm with 10 Year Sealed For Life Battery, FA6620-R-T2 (ST-622 / ST-620 replacement, new gen) - Twin Pack, White
Product 1: Two separate sensors operate independently within one alarm for quick detection of both dangers Product 1: Optical smoke-sensing technology detects all types of fire, including slow smouldering fires Product 1: Optical and electrochemical sensing technology Product 1: Separate audible warnings to indicate the presence of smoke or CO Product 2: The perfect replacement for FireAngel ST-622, ST-620 and ST-750 models, these alarms will fit on to the existing baseplates, or can be installed easily using the supplied bases and 2 screws Product 2: With optical sensing technology smoke is rapidly detected as it enters the alarm chamber, for a quick reaction to slow burning fires Product 2: The alarms come with sealed, tamper proof batteries that will last the lifetime of the alarms.
£ 52.24
To the product (1 offer)
2 x ST-622T 10 Year Thermally Enhanced Optical Smoke Alarm
Fireangel
£ 39.99
free shipping
To the product (1 offer)
FireAngel FA3820 10 Year Sealed Battery Alarm Carbon Monoxide & FireAngel Optical Smoke Alarm with 10 Year Sealed For Life Battery, FA6620-R (ST-622 / ST-620 replacement, new gen) , White
Product 1: Advanced electrochemical sensor detects dangerous levels of Carbon Monoxide ( CO ) in your home and alerts you with a clear, loud alarm Product 1: As well as being calibrated and rigorously tested in-house the alarm has been third party approved through the British Standards Institute (BSI) and is Kitemark certified Product 1: The unit has been designed to either be wall mounted or left portable so you can take it on holiday for protection on the go.
£ 33.98
To the product (1 offer)
FireAngel Optical Smoke Alarm with 10 Year Sealed For Life Battery, FA6620-R (ST-622 / ST-620 replacement, new gen), White & SB1-R Smoke Alarm, White
Product 1: The perfect replacement for FireAngel ST-622, ST-620 and ST-750 models, this alarm will fit on to the existing baseplate, or can be installed easily using the supplied base and 2 screws Product 1: With optical sensing technology smoke is rapidly detected as it enters the alarm chamber, for a quick reaction to slow burning fires Product 1: The alarm comes with a sealed, tamper proof battery that will last the lifetime of the alarm.
£ 19.42
To the product (1 offer)
FireAngel ST-750T 10 Year Thermoptek Smoke Alarm
Thermoptek multi-sensor rapidly detects fast flaming & slow smouldering fires Smart silence - silence your smoke alarm by momentarily pressing the test button, Ideal for nuisance alarms Toast proof - less prone to nuisance alarms from cooking fumes Designed to meet the specifications of the UK's fire & Rescue service Product life span: 10 year.
£ 9.41
free shipping
To the product (3 offers)
FireAngel FA3820 10 Year Sealed Battery Alarm Carbon Monoxide, Clear & FireAngel Optical Smoke Alarm with 10 Year Sealed For Life Battery, FA6620-R-T2 - Twin Pack , White
Product 1: Advanced electrochemical sensor detects dangerous levels of Carbon Monoxide ( CO ) in your home and alerts you with a clear, loud alarm Product 1: As well as being calibrated and rigorously tested in-house the alarm has been third party approved through the British Standards Institute (BSI) and is Kitemark certified Product 1: The unit has been designed to either be wall mounted or left portable so you can take it on holiday for protection on the go.
£ 44.25
To the product (1 offer)
FireAngel Optical Smoke Alarm with 10 Year Sealed For Life Battery, FA6620-R-T2 (ST-622 / ST-620 replacement, new gen) - Twin Pack, White & FireAngel SB1-R Smoke Alarm, White
Product 1: The perfect replacement for FireAngel ST-622, ST-620 and ST-750 models, these alarms will fit on to the existing baseplates, or can be installed easily using the supplied bases and 2 screws Product 1: With optical sensing technology smoke is rapidly detected as it enters the alarm chamber, for a quick reaction to slow burning fires Product 1: The alarms come with sealed, tamper proof batteries that will last the lifetime of the alarms.
£ 29.69
To the product (1 offer)