How Long Does OnePlus Watch 3 Battery Last?
The OnePlus Watch 3 features dual-engine architecture delivering 4-5 days in Smart Mode or up to 14 days in Power Saver Mode with its 631mAh battery.
Battery Life by Mode
| Mode | Duration | Features |
|---|---|---|
| Smart Mode | 4-5 days | Full WearOS, all apps, GPS, LTE |
| Power Saver Mode | Up to 14 days | Essential features, health tracking |
What Affects Battery Life
High drain:
- Always-On Display enabled
- Continuous GPS tracking
- LTE connectivity active
- Music streaming
Moderate drain:
- Continuous heart rate monitoring
- Sleep tracking
- Regular notifications
Real-World Usage
- Light Use: 5-6 days (notifications, time checks, basic tracking)
- Moderate Use: 4-5 days (daily workouts, apps, AOD off)
- Heavy Use: 2-3 days (GPS workouts, streaming, LTE, AOD on)
Extend Battery Life
- Disable Always-On Display: Saves 10-15% daily
- Use Power Saver Mode: When you don't need apps
- Reduce brightness: Set to 60-70% or use auto-brightness
- Disable LTE: Use Bluetooth connection near phone
Charging Speed
| Charge Level | Time |
|---|---|
| 0-50% | ~30 minutes |
| 0-100% | 60-90 minutes |
Battery Champion
The OnePlus Watch 3 offers significantly longer battery life than most WearOS watches thanks to its dual-engine architecture, making it ideal for travelers and heavy users.
See Also: What is Dual-Engine Architecture|Battery Drain Issues|How to Charge OnePlus Watch 3