VARTA Longlife Power 9V Block 6LR61 Alkaline E-Block Battery (2-pack) - Made in Germany - ideal for fire alarms, smoke detectors, tuners
at OnBuy
GutAlkaLi Batteries 9V Block Battery, 2 pieces, Longlife Power for Smoke Detectors, Fire Alarms, Microphone 6LR61 6F22 PP3 MN1604
C-TEC C4408R ActiV Relay Detector Base for Conventional Fire Detectors, White
at eBay
Pifco British Standard Optical Smoke Detectors Fire Alarm Ionisation EN14604
Wired Smoke Alarm Dc12v/24v Networking Smoking Detector Switch Fire Alarms Detectors Sensor-B
GutAlkaLi Batteries 9V Block Battery, 6 pieces, Longlife Power for Smoke Detectors, Fire Alarms, Microphone 6LR61 6F22 PP3 MN1604
Energizer Alkaline Power - 9V Battery (8 Pack) - Nine Volt Block Batteries | Fire Alarms, Smoke Detectors, Radios, Toys - 100% Recyclable Plastic Free Packaging [Amazon Exclusive]
at Amazon.co.uk
4-Pack 9v rechargeable batteries, 1300mAh 9 volt rechargeable USB C 9v block battery smoke detector for fire alarms, warning alarms & smoke detectors,
JCB 9v Batteries 3 Pack - Heavy Duty Premium Alkaline disposable 9v battery For Low drain devices | Smoke Alarm | Fire Alarm Battery | Smoke Detectors
Fire Resistant Junction Box CHP60 For Smoke Detectors - 1SPA007182F2700
at Tameson
Fireangel ST-620 Thermal Optical Stand-Alone Smoke Detectors Thermoptek, Including Mounting Material
Apollo 55000-001APO XP95 Open-Area Sounder - Red Body - Isolating
at Amazon Marketplace