Garmin fenix 5 battery drain! back to fenix 3 days? - YouTube
Garmin Fenix 5 plus - Fast Battery Drain, any obvious settings I might need to turn off? I've had watch for 2 months, used to last 7+ days. 🤔 : r/GarminFenix
fenix 5 huge battery life drain when HR in "---" or "Measuring" mode - fēnix 5 series - Wearables - Garmin Forums