GP Lithium 9 V Block Batteries Longlife 9 Volt Lithium Li-MnO2, 2 x 9 V Block Lithium, Ideal e.g. as a Smoke Alarm Battery, for Fire Detectors, Microphones etc.: Amazon.de: DIY & Tools
VARTA 10510122 - Longlife 9V Block 6LR61 Battery Alkaline E-Block Batteries, Capacity 565 mAh, Ideal for Fire Detectors, Smoke Detectors and Tuner : Amazon.com.au: Electronics
Ultralife U9VL-J-P 6LR61 9V Block Battery Lithium 1200 mAh 9V Pack of 10 : Amazon.de: Electronics & Photo
BONAI Longlife 9V Batteries 6F22 Block Alkaline Batteries 6LR61 Disposable Battery 9 Volt Block Batteries for Smoke Alarms and Fire Detectors: Amazon.de: Electronics & Photo
GP Lithium 9 V Block Batteries Longlife 9 Volt Lithium Li-MnO2, Pack of 5 9 V Block Lithium, Ideal as a Smoke Alarm Battery, for Fire Detectors, Microphones etc.: Amazon.co.uk: DIY &
VARTA Longlife Power 9V Block 6LR61 Alkaline E-Block Battery (2-pack) - Made in Germany - ideal for fire alarms, smoke detectors, tuners: Amazon.co.uk: Health & Personal Care
Varta Professional Lithium 9 Volt Battery : Amazon.com.au: Electronics
Wilhelm Universal 9 V Block Batteries Also Suitable for 10 Year Smoke Detectors Longlife Block Battery for Maximum Life 6LR61 9 Volt Pack of 4: Amazon.de: Electronics & Photo
Varta 9V Block Longlife Power 4922 Battery MN1604 6LR61 Alkaline 9 V Pack of 10: Amazon.de: Electronics & Photo
VARTA Longlife Power 9V block 6LR61 battery Alkaline E-block batteries - ideal for fire alarms, smoke alarms, tuners: Amazon.de: Electronics & Photo