All Widex devices run on zinc air batteries. Our batteries are coded with a number and a color. Check your device instructions to find out which color you need.
• Size 10: Yellow
• Size 13: Orange
• Size 312: Brown
• Size 675: Blue
A fresh hearing aid battery will keep your device working to its maximum capability. It’s always a good idea to carry a spare or two with you, too, so you can make a quick change if your power begins to run down.