# Which smartwatch offers the best battery life? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

Which smartwatch offers the best battery life?

## Products

### COROS COROS VERTIX 2S
```yaml
product: coros-coros-vertix-2s
brand: COROS
price_gbp: 529.36
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
resolution: 280 x 280
screen_size: 1.4
battery_life: 118
connectivity: Bluetooth, Wi-Fi
water_resistance: 10 ATM
heart_rate_monitor: Optical heart rate sensor
```

- **Price:** £529.36 [^1]
- **Summary:** The COROS VERTIX 2S is a rugged GPS adventure smartwatch with an always-on 1.4 in sapphire touchscreen and dual-frequency GPS tracking. It's designed for long endurance activities, offering up to 118 hours of GPS activity tracking and a long daily-use battery. It's a good fit for people who want navigation, sensor-based training insights, and minimal charging needs for multi-day outdoor use.
- **Ideal For:** It's built for battery longevity, with up to 118 hours of GPS activity tracking and up to 40 days of daily use with sleep tracking, making it a strong choice for the best battery life.
- **Additional Sources:** [^1]

---
## References & Sources
[^1]: REI Co-op, accessed 2026-06-24. https://www.rei.com/product/242590/coros-vertix-2s