How To Change Garmin Hrm Battery. That would normally not be a problem except to replace the battery a CR2032 I need to remove four tiny Phillips head screws from the back. Today while running my watch told me that the battery on the HRM-Tri was very low.
Remove the cover and battery. Today while running my watch told me that the battery on the HRM-Tri was very low. Remove the colored ring around the module.
It appears that the battery in the HRM sensor has finally worn out.
Insert the new battery with the positive side facing up. Today while running my watch told me that the battery on the HRM-Tri was very low. If a screw is stripped or difficult to remove consider. Replacing the Heart Rate Monitor Battery.
