Replacing the battery in your Garmin Heart Rate Monitor (HRM)
Date Posted:9 June 2016
The CR2032 batteries in your HRM-Run, HRM4-Run, HRM-Swim or HRM-Tri straps will last approximately 18 months, depending on use. Since these are user-replaceable and available at most retailers, you can change the battery with simply a screwdriver. Watch as we show you how to change it so you don’t miss any important heart rate information.