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How do you recognize hearing aid battery sizes?

Hearing aid battery sizes can be identified by the color coding on the packaging. These batteries are usually supplied in blister packs of 6 pieces.

The most common sizes are:

  • Size 5 — Red: mini in-ear hearing aids
  • Size 10 — Yellow: mini in-ear hearing aids
  • Size 13 — Orange: behind-the-ear and in-ear devices
  • Size 312 — Brown: in-ear hearing aids
  • Size 675 — Blue: behind-the-ear hearing aids**
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