10 Year Longlife Battery Optical Smoke Alarm - UltraFire ULLS10
The UltraFire ULLS10 is a 10 year optical smoke alarm with a sealed lithium battery designed to last the entire lifespan of the alarm, which is powered up automatically when fitted to the mounting plate for easy installation and peace of mind. A combined test & hush button forms almost the entire face of the alarm, which can even silence the end of life warning for up to 10 hours should it occur during the night.
- Battery: 10 year sealed lithium battery
- Warranty: 10 year manufacturer's warranty
- Optical smoke sensor suitable for hallways, landings, living rooms, and bedrooms
- Smoke detection chamber designed to reduce false alarms and improve detection of real smoke
- Large test & silence button – almost the whole face of the alarm!
- End of life warning can be silenced for up to 10 hours
- Automatically turns on and off when fitted and removed from the base plate
- UltraFire ULLH10 heat alarm for kitchens & garages also available
- Suitable for installations complying to
- CE marked, UKCA marked, and Kitemarked to
Customer Reviews (23)
Reviews by Real Customers
All of our product reviews are written by real customers that have purchased this product from us and are published without modification.
Reviewed by
E L
Published on
30th April 2026
Reviewed by
A R
Published on
18th April 2026
Unfortunately this item has only just been delivered so we as of yet have not installed it please if you require another review ask me in a week or so.
Reviewed by
C M
Published on
7th October 2025
Appears to do what it says it does.
Reviewed by
R B
Published on
26th January 2025
Easy to fit
Reviewed by
P T
Published on
6th December 2024
Nice item, very easy to install
Technical Data
| Product Code | UFULLS10 |
|---|---|
| Brand | UltraFire |
| Battery Type | Sealed Lithium |
| British Standard Grade | Grade F1: Battery Powered (10 year longlife) |
| Colour | White |
| Approvals & Markings | CE Marked |
| UKCA Marked | |
| Compliance | BS EN 14604: 2005 |
| BS 5839-6 | |
| Connection | Standalone |
| Fixing Options | Ceiling Mounted |
| Screws (included) | |
| Material | Plastic |
| Operating Temperature | +5°C To +30°C |
| Positioning | Bedrooms |
| Hallways | |
| Living Rooms | |
| Power Type | Battery Powered |
| Relative Humidity | 0% To 85% |
| Recyclable | Yes - Valpak's WEEE Distributor Take-back Scheme |
| Sensor Type | Optical |
| Sound Level | 85dB |
| Suitability | Home |
| Warranty | 10 Years |
| Warning Type | Audible - Alarm Sounder |
| Dimensions (Unit) |
|
| Weight | 80g |
| Datasheets |
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Looks smart. Works. But mainly compatible with the ceiling fitting on my very old fire angel smoke detector which has stopped working. So major easy to fit