detektor gift Admin garmin hrm tri change battery Dekan Ægte tæmme
Garmin HRM Tri Failure mode (after battery replacement) - YouTube
Garmin Fenix 3 - Garmin: Replacing the Battery in your Heart Rate Monitor ( HRM) The CR2032 batteries in your HRM-Run, HRM-Swim or HRM-Tri straps will last approximately 18 months, depending on use.