The Widex Batteries for Hearing Aids are coded with colour for size identification and are zinc air batteries The Widex batteries should remain sealed until you are ready to use them Activating the battery:Remove the label and allow the battery to breathe for 60 seconds before placing it in your hearing aidA flat, uncluttered place with a soft surface; a table with a tablecloth is recommended to change your hearing aid batteryOnce you have activated the battery and removed the seal, it can be saved for later useThe battery will stop working after 4 weeks even if the hearing aid has not been used during that periodStoring hearing aid batteries: Open your hearing aid battery door when you aren using it to assure that your device isn using power when it not in your ear Unopened hearing aid batteries should be stored in a dry place at room temperature like a drawer. It is not necessary to store them in a refrigerator.The Widex battery is available in size 312 These Widex batteries come in a standard packing of 30 batteries per pack
