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Replacing the Heart Rate Monitor Battery

  1. Open the center clip.
  2. Locate the circular battery cover.
  3. Using a coin or large flathead screwdriver (8 mm or 5/16 in.), turn the cover counterclockwise 90 degrees.

    Battery cover with arrow
  4. Remove the cover and the battery.

    Exploded view of battery and module
  5. Gently lift the battery out of the cover at the pry point.
    NOTE: You can also use a magnet or piece of tape to remove the battery.

    Battery and pry point
  6. Wait 30 seconds.
  7. Insert the positive side of a new battery into the battery cover.

    Exploded view of the battery and module
  8. Replace the battery cover.
  9. Turn the alignment tab clockwise 90 degrees.

    The battery cover must be flush with the heart rate monitor module.


    Battery cover alignment
  10. Check the battery cover alignment to ensure it is fully closed and locked into place.

    Battery cover
GUID-F5B2BF3A-C6BB-4C9F-98D2-C0CB99E0B4AC v1
January 2024
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