Garmin Fenix 3 HR Parts
Get a new battery for your Garmin Fenix 3 HR and bring your smartwatch back to life!
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Garmin Fenix 3 and 3 HR Replacement Battery
Replace a 300 mAh battery compatible with the Garmin Fenix 3 or Fenix 3HR smartwatch. 1.11 Watt Hours (Wh). 3.7 Volts (V).
The Fenix 3 HR was released by Garmin in 2015. This model features a 3 cm display with 218 x 218 resolution, an optical heart rate sensor, and weighs approximately 86.1 grams. This model also boasts a 16 hour battery life in GPS mode and up to 40 hour battery life in UltraTrac mode.