Changing your batteries has never been easier. Using tab, remove battery from package. Using tab as insertion too, place battery into hearing aid. Hold battery in place and twist tab off. That's it! #1 Doctor recommended! <br> <br> 60 Duracell Batteries, Size 675 Zinc Air Hearing Aid Batteries. Fresh Date Codes. <br> <br>Tips - Keep them in their protective packs and storing them at room temperature. Never remove the color-coded tab from a battery until you are ready to install it in your hearing aid.