Experience every moment with Duracell hearing aid batteries. Thanks to an extra-long Easy Tabs pull tab, they are easy to handle and replace, and they come in an easy-to-open package. The Duracell hearing aid batteries are color-coded, so you can effortlessly find the right size. Additionally, the Duracell hearing aid batteries feature Duralock Power Preserve technology, allowing them to last up to 4 years in storage. Smart packaging. Extra-long tab for easy handling. Mercury-free. 6 pieces.