GP Lithium 9 volt block batteries, 9 V e-block, 10 year battery long life (5 block batteries), ideal for e.g. smoke detectors, fire detectors, microphones etc.: Amazon.co.uk: DIY & Tools
Varta Professional Lithium 9 V Block Battery : Amazon.de: Electronics & Photo
Amazon.com: Allmax 9V Maximum Power Alkaline Batteries (4 Count) – Ultra Long-Lasting, 7-Year Shelf Life, Leakproof Design – Perfect for Smoke Detectors & Wireless Microphones (9 Volt) : Health & Household
Kraftmax 9 V Block Batteries: Amazon.de: Electronics & Photo
GP Lithium 9 V Block Batteries, 9 Volt Lithium Li-MnO2, 10 Year Battery Longlife Ideal e.g. as a Smoke Alarm Battery, for Fire Detectors, Microphones etc: Amazon.de: Electronics & Photo
PEARL Block batteries: set of 10 9 V block alkaline batteries: Amazon.de: Electronics & Photo
Amazon.com: Amazon Basics 4-Pack 9 Volt Cell Rechargeable Batteries, 200mAh Ni-MH, Pre-charged : Health & Household
Amazon.com: Allmax 9V Maximum Power Alkaline Batteries (12 Count) – Ultra Long-Lasting, 7-Year Shelf Life, Leakproof Design – Perfect for Smoke Detectors & Wireless Microphones (9 Volt) : Health & Household
Varta Longlife Extra 9 V Alkaline Battery : Amazon.co.uk: Electronics & Photo
REACELL Pack of 2 9V Block Batteries 800 mAh USB Rechargeable Lithium Battery 1.5 Hours Quick Charge 9 V Battery Suitable for Smoke Detectors: Amazon.de: Electronics & Photo
10 x Lithium Batteries 9 Volt Block 1200 mAh / 9 V E-Block 10 Year Batteries Ideal for Smoke Alarms / Fire Detectors / Measuring Devices / Microphones and Much More AKKUman Set: Amazon.de: DIY & Tools
Battery Lithium 9 Volt Block Varta – Professional Lithium: Amazon.de: Electronics & Photo
GP Lithium 9 V Block Batteries, 9 Volt Lithium Li-MnO2, 10 Year Battery Longlife Ideal e.g. as a Smoke Alarm Battery, for Fire Detectors, Microphones etc.: Amazon.de: Electronics & Photo
4 Energizer 9 V Lithium Batteries Lithium 9 V Block L522-9V-FR22-E-Block (Set of 4): Amazon.co.uk: Electronics & Photo