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
Ansmann 9V Rechargeable Batteries [Pack of 2] 280 mAh 1.2V NiMH Low self Discharge E-Block Type Size Battery Walkie Talkies, Speakers, Microphones, Multimeters, Toys - Black: Amazon.co.uk: Electronics & Photo
5 x 9V BLOCK BATTERY CLIP CONNECTOR CABLE HOLDER Push Button 9 VOLT : Amazon.de: Electronics & Photo
ANSMANN 9V Block Batteries [Pack of 2] 300mAh NiMH Precharged Rechargeable 9V E-Block Battery for Walkie Talkies, Speakers, Microphones, Multimeters, Clock Radios, Remote Control Cars, Toys: Amazon.co.uk: Electronics & Photo
ENEGON 9V Block 650mAh Li-ion 6F22 Rechargeable Battery with 2-in-1 Micro USB Cable Charger for Microphone, Smoke Alarm, Electronic Toys, Walkie Talkie and Other Devices: Amazon.de: Electronics & Photo
ANSMANN Batteriebox für AAA Micro, AA Mignon & 9V Block Akkus und Batterien - Praktische Akkubox zum Schutz & Transport für 48 Accus & Amazon Basics AA-Batterien, wiederaufladbar, vorgeladen, 4 Stück: Amazon.de:
REACELL 9V Block Akku 800mAh USB Wiederaufladbare Li-Ion Batterie 1,5 Stunden Schnellladen 9 Volt Akkubatterien Aufladbare Blockbatterie Lange Lebensdauer für Rauchmelder: Amazon.de: Elektronik & Foto
POWEROWL 9V Battery, Lithium Ion Rechargeable Batteries, 9V Block, Rechargeable Batteries, 600 mAh, Pack of 4: Amazon.de: Electronics & Photo
tka Köbele Akkutechnik Block battery: Superlife 9 V block alkaline battery, set of 2: Amazon.de: Electronics & Photo
ANSMANN 9V Block Battery [Pack of 1] Long Lasting Low Self Discharge Rechargeable Square 9V E-Block 200mAh NiMH MaxE Pro Batteries for Microphones, Multimeters, Clock Radios, Walkie Talkies, Toys: Amazon.co.uk: Business, Industry