In 2026, wearable technology continues to evolve rapidly, with battery life remaining a critical factor for consumers. The Garmin Forerunner 165 has entered the market, promising impressive endurance. But how does it compare to its competitors? This article provides a detailed battery life showdown to help you make an informed choice.

Overview of the Garmin Forerunner 165

The Garmin Forerunner 165 is designed for athletes and fitness enthusiasts. It boasts advanced GPS tracking, health monitoring features, and a sleek design. One of its key selling points is its battery life, which aims to support long outdoor activities without frequent charging.

Battery Life Specifications

  • Smartwatch Mode: Up to 14 days
  • GPS Mode: Up to 24 hours
  • UltraTrac Mode: Up to 40 hours

Competitors in 2026

  • Apple Watch Ultra 2
  • Samsung Galaxy Watch 6
  • Suunto 9 Peak Pro
  • Coros Vertix 2

Battery Performance of Competitors

The Apple Watch Ultra 2 offers approximately 10 days in smartwatch mode but only 18 hours with GPS active. Samsung Galaxy Watch 6 provides about 7 days of typical use and 15 hours with GPS. Suunto 9 Peak Pro excels in endurance, with up to 170 hours in Ultra mode. Coros Vertix 2 claims up to 60 days in basic mode and 60 hours with GPS.

Comparison and Analysis

When comparing battery life, the Garmin Forerunner 165 stands out in GPS mode with 24 hours, surpassing many competitors. Its UltraTrac mode offers up to 40 hours, which is competitive but slightly below the Suunto 9 Peak Pro's endurance. In smartwatch mode, Garmin's 14 days is robust, though Apple and Samsung lead with longer durations. For ultra-endurance activities, Suunto and Coros provide significantly longer battery life, suitable for multi-day expeditions.

Implications for Users

For athletes engaged in multi-hour outdoor activities, the Garmin Forerunner 165 offers reliable battery performance, reducing the need for frequent recharging. For casual users, its 14-day smartwatch battery is sufficient for most needs. However, ultra-endurance athletes may prefer devices like the Suunto 9 Peak Pro or Coros Vertix 2 for extended adventures.

Conclusion

The Garmin Forerunner 165 presents a balanced battery life profile suited for most fitness enthusiasts. While it may not match the ultra-endurance capabilities of some competitors, its combination of GPS endurance and smartwatch longevity makes it a strong contender in 2026. Selecting the right device depends on your specific activity needs and how long you require battery support during outdoor pursuits.