FireAngel SB1-TP-R Optical Battery-Powered Smoke Alarm, 2-Pack

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Product guide

FireAngel SB1-TP-R Optical Battery-Powered Smoke Alarm, 2-Pack

FireAngel SB1-TP-R is a battery-powered optical smoke alarm listed as a two-alarm pack. Its replaceable 9V batteries and test/hush button suit domestic rooms where a straightforward ceiling- or wall-mounted alarm is wanted, though customer feedback raises concerns about battery longevity and occasional unexplained alarms.

At a glance

Optical sensing is described as suited to detecting smoke from slow-burning fires with thick white smoke.
The test button checks the alarm, and holding it can temporarily silence a known false alarm.
The listing claims reduced sensitivity to cooking fumes, but also warns that steam can trigger nuisance alarms.
Manufacturer information specifies domestic use, including mobile homes and caravans, and excludes commercial properties.

Price

£12.99Save 37%

Reference price: ~~£20.49~~

Price checked: 12 Nov 2026

View offer Ahead of Black FridayExplore the selection

Often bought together

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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

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Pros and cons

Pros

Replaceable 9V batteries avoid relying on a sealed battery for the stated one-year battery period.
Removable base plates and included mounting hardware support ceiling or wall installation.
Customer feedback describes installation as straightforward and the compact appearance as unobtrusive.

Cons

A replaceable battery needs periodic checking and replacement, unlike a sealed long-life option.
Customer feedback includes concerns about short battery life and mixed reports of unexplained alarms.

Technical specifications

15 specifications

Identity
Brand	FireAngel
Model	SB1-TP-R
Sensor type	Photoelectric
Alarm	Audible
Colour	White

Power and battery
Power configuration	Battery Powered
Battery	9V DC Replaceable 1 Year Zinc Carbon Battery

Dimensions and installation
Dimensions listed	3.5D x 9W x 9H centimetres
Weight listed	113 Grams
Installation positions	Wall/Ceiling

Performance and operating conditions
Alarm sound level	85dB(A) 3 m (minimum)
Operating temperature	0°C to +40°C
Operating humidity	30% to 90% RH non-condensing

Certification and warranty
Certification listed	Certified to EN14604:2005+AC:2008
Warranty claim	3 year manufacturer's warranty.

What to know before buying

Listing details to confirm

The listing identifies the alarms as SB1-R in feature copy but gives SB1-TP-R as the model, while the title uses SB1-R. It also describes hush operation as 8 minutes in one section and says to hold the button for 5 seconds elsewhere. Battery-life wording varies between a one-year replaceable battery and a claim of replacement every three weeks in customer feedback. Confirm the selected listing's exact model and battery details. The manufacturer advises avoiding bathroom proximity because steam may cause nuisance alarms and says the product is not for commercial premises.

What’s in the box

Included

2 smoke alarms
2 base plates
2 9V batteries
Mounting screws
4 rawl plugs
User manual

Who is it for?

A good fit for

Households wanting a two-alarm set with replaceable batteries for domestic rooms.
Buyers who prefer a test and hush button and ceiling- or wall-mounting options.

Less suited to

Commercial premises, which the manufacturer excludes.
Buyers seeking a sealed long-life battery or an alarm intended for kitchen use.

FireAngel SB1-TP-R Optical Battery-Powered Smoke Alarm, 2-Pack · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 14,011 ratings

5 stars71%71%
4 stars18%18%
3 stars5%5%
2 stars2%2%
1 star4%4%

Customer feedback highlights easy installation, clear instructions, compact appearance and perceived value. Reports on reliability are mixed, including both satisfactory operation and alarms sounding without an apparent reason, while battery life is a recurring concern, with some reports of replacement after only a few weeks. These are customer perceptions rather than confirmed product performance. They matter particularly for a battery-powered alarm listed with a replaceable one-year battery, so regular checks and attention to any low-battery chirp are important.

Positive themes

Customers describe installation as easy and the instructions as clear.
Customers appreciate the compact design and appearance.

Negative themes

Some customers report battery life much shorter than the listed one-year period.
Some feedback describes alarms sounding without an apparent reason.

Mixed feedback

Reliability feedback is mixed, with reports of satisfactory operation alongside unexplained alarms.

Frequently asked questions

How many alarms are listed in the pack?

The listing states two smoke alarms. Its included-components list also names two base plates and two 9V batteries.

Can it be mounted on a wall?

The specifications list wall and ceiling installation. The manufacturer gives placement guidance for both, including clearance from walls and light fittings.

Is it suitable for a kitchen or bathroom?

The manufacturer says cooking fumes are less likely to cause false alarms, but recommends a heat alarm for kitchen fire detection and warns that steam can cause nuisance alarms. It advises not placing the smoke alarm near bathrooms.

What is the battery life?

The listing claims a replaceable battery with a one-year period, but customer feedback includes reports of much shorter life. The product details also have inconsistent model and battery wording, so confirm the exact listing configuration.