Connect your Garmin Descent MK1 to the Garmin Descent MK1 Charging/Data Clip and use the attached USB interface to plug into your computer or connect it to a power adapter to recharge the battery.
The Clip can also be used to transfer data between your watch and computer.
Battery Life of the Garmin Descent Mk1
The actual battery life depends on the features enabled on your device, such as activity tracking, wrist-based heart rate, smartphone notifications, GPS, internal sensors, and connected sensors.
Up to 12 days
Smartwatch mode with activity tracking and 24/7 wrist-based heart rate monitoring
Up to 20 hours
GPS mode with wrist-based heart rate
Up to 35 hours
Up to 40 hours