Pack of 6 Duracell Activair 13 hearing aid batteries Duracell hearing aid batteries are supplied in a sturdy plastic packaging, so that they are always well protected on the go. Thanks to the extra-long "Easy Tabs" tab, the batteries are particularly easy to handle and can therefore be inserted quickly and conveniently into hearing aids. Each Duracell hearing aid battery is colour-coded to help you find the right size. Duracell hearing aid batteries have a long shelf life, which means they store their energy for several years. The Duracell hearing aid batteries therefore offer first-class reliability, making them the ideal choice for any hearing aid.