How Long Does Samsung Galaxy Watch 6 Battery Last?
The Galaxy Watch 6 battery lasts 30-50 hours depending on model size, usage patterns, and settings—the 44mm model offers significantly better endurance.
Battery by Model
| Model | Capacity | Typical Use | Light Use |
|---|---|---|---|
| 40mm | 300mAh | 30-40 hours | 48 hours |
| 44mm | 425mAh | 40-50 hours | 60 hours |
The 44mm battery is 42% larger—choose it if battery life matters.
What Affects Battery
| Feature | Impact |
|---|---|
| Always-On Display | -15-20% daily |
| GPS workout (1 hr) | -5-8% |
| LTE active | -30-40% faster drain |
| Continuous HR | -10% |
| Sleep tracking | -5% overnight |
Extend Battery Life
Biggest savings:
- Disable AOD:
SettingsDisplayAlways On DisplayOff - Reduce brightness to 40-50%
- Change HR monitoring to every 10 minutes
- Turn off LTE when phone nearby
- Enable Power Saving mode for emergencies
Charging
| Charge | Time |
|---|---|
| 0-100% (40mm) | ~80 minutes |
| 0-100% (44mm) | ~90 minutes |
| 0-50% | ~30 minutes |
Use official Samsung charger with 9V/1.67A adapter for fastest charging.
LTE vs Bluetooth Battery
- Bluetooth model: 40-50 hours (44mm)
- LTE model (LTE on): 24-30 hours
- LTE model (LTE off): Same as Bluetooth
Use Auto mode on LTE models to optimize battery.
44mm Recommendation
The 44mm model provides 25% longer battery life than the 40mm. If battery life is important, choose the larger size.
See Also: Battery Drain Fix|How to Charge