VARTA Power on Demand AA Batteries, in Environmentally-Friendly Packaging – Smart, Flexible and Powerful, e.g. for Computer Accessories, Smart Home Devices or Torches, Pack of 40: Amazon.de: Electronics & Photo
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