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The Samsung Galaxy Watch 7 has a slight edge in battery life, though both watches typically require daily charging.
Official Battery Claims
| Watch | Standard Use | Extended Mode | |-------|-------------|---------------| | Galaxy Watch 7 (44mm) | Up to 40 hours | Power saving extends further | | Galaxy Watch 7 (40mm) | Shorter (smaller battery) | Power saving available | | Apple Watch Series 11 | Up to 24 hours | Up to 38 hours (Low Power Mode) |
Real-World Battery Performance
Galaxy Watch 7: Most users report 1.5 to 2 days with always-on display enabled. The 44mm model (425mAh battery) significantly outperforms the 40mm (300mAh battery).
Apple Watch Series 11: Improved from 18 hours (Series 10) to 24 hours. Most users charge daily, usually overnight or while showering. You can now reliably track sleep and make it through the next full day.
Fast Charging Comparison
Both watches support fast charging:
- Apple Watch Series 11: 80% in ~30 minutes; 8 hours of use from 15-minute charge
- Galaxy Watch 7: ~80% in 30 minutes with 10W wireless charging
What Drains Battery Faster
These factors affect both watches:
- Always-on display enabled
- Continuous heart rate monitoring
- GPS workout tracking
- Cellular connectivity active
- Music streaming
The Sleep Tracking Strategy
Both watches track sleep, requiring a charging strategy. The Galaxy Watch 7's longer battery makes this easier: charge 30 minutes before bed for sleep tracking plus the full next day.
Apple Watch users typically charge during morning routines. The 15-minute quick charge provides about 8 hours of use.
Bottom line: The Galaxy Watch 7 lasts slightly longer, but both watches need charging every 1-2 days.
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How we researched this
Where this comes from: this answer draws on the product's published specifications and the reviews ShopSavvy collected for it, alongside prices from ShopSavvy's price data.
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