BONAI Akku 9V Block 600mAh Li-ion Wiederaufladbare Batterien 6F22 Lithium-ion 9 Volt Aufladbare Akkubatterien mit geringer Selbstentladung & Lange Lebensdauer für Rauchmelder: Amazon.de: Elektronik & Foto
5 x 9V BLOCK BATTERY CLIP CONNECTOR CABLE HOLDER Push Button 9 VOLT : Amazon.de: Electronics & Photo
9 V Block Batteries, Keenstone Pack of 3 PP3 Li-Ion 800 mAh Rechargeable Battery with 3 Slots Charger, USB Charging Cable for Keyboard Microphone Smoke Detector: Amazon.de: Electronics & Photo
ANSMANN 9 V Block Batteries Pack of 20 – Alkaline 9 Volt Block Battery Ideal for Motion Detectors, Measuring Device, Toys, Remote Control, Detectors: Amazon.de: Electronics & Photo
Wilhelm 6LR61 Universal 9 V Block Batteries Also Suitable for 10 Year Smoke Detectors Longlife Block Battery for Maximum Life 9 Volt Pack of 10: Amazon.de: Electronics & Photo