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Battery Life Assumptions for the Descent Mk3 - 43 mm and Descent Mk3i - 43 mm

The battery life of your Garmin watch may be affected by how you use the watch. The information presented below is presented as a general guide for reference only on the Descent™ Mk3 - 43 mm and Descent™ Mk3i - 43 mm watches. All default software settings and configurations are assumed for the battery life specifications.

Battery Life Specifications

Default Settings (Display Always-On)

    • Smartwatch Mode: Up to 4 days
    • GPS Only: Up to 22 hours
    • All Satellite Systems: Up to 16 hours
    • All Satellite Systems + Multi-band: Up to 14 hours
    • All Satellite Systems + Music: Up to 6 hours

Prolonged Battery Life (Gesture Enabled)

Refer to Changing the Screen Settings for steps on enabling Wrist Gesture.

    • Smartwatch Mode: Up to 10 days
    • Battery Saver Watch Mode: Up to 12 days
    • GPS Only: Up to 28 hours
    • All Satellite Systems: Up to 20 hours
    • All Satellite Systems + Multi-band: Up to 17 hours
    • All Satellite Systems + Music: Up to 6 hours
    • Max Battery GPS: Up to 44 hours
    • Expedition GPS: Up to 10 days
    • Dive Mode: Up to 30 hours
    • Dive Mode with air integration (Descent Mk3i - 43 mm only): Up to 15 hours

Usage Factors That Impact Battery Life

  • The Descent Mk3 - 43 mm and Descent Mk3i - 43 mm watches use an ambient light sensor to automatically adjust the display brightness to an acceptable level depending upon the level of ambient light. Using the watch outdoors in bright environments may reduce battery life.
  • Changes to the default display settings can significantly impact battery life. Higher screen usage will generally result in less battery life.

Tips for Maximizing Battery Life