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ANSMANN 9V Extreme Lithium Batterie speziell für Rauchmelder 9V E-Block ER9V CR-V9 1100mAh High Energy: Amazon.de: Elektronik & Foto
Amazon.com: 9V Battery ER9V 1200mAH Lithium Batteries for Smoke Detectors Pack of 4 : Health & Household
9V Lithium Batterie für Rauchmelder - VARTA-CR9V : Amazon.de: Elektronik & Foto