I've replaced the battery of HRM pro, is this correct? I saw that bulge after I fitted the cover. I don't think I can swim with this now. Can someone give me
Tutorial - HRM-Pro Plus: Replacing the Battery - YouTube
Tutorial - Changing the battery on a Garmin Heart Rate Monitor - YouTube
Battery replacement in Garmin HRM monitors - YouTube
Garmin HRM-PRO Heart Rate Strap In-Depth Review
Replacement Sensor module for Original Garmin HRM-RUN ANT+ Heart Rate Monitor | eBay
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thegearlife - Garmin HRM-tri In-Depth Review
Battery Replacement Instructions for Premium Feature HRM Straps | Garmin Customer Support