Best Samsung Smartwatches for battery life

battery life Decision Dashboard

Best for battery life

Samsung Galaxy Watch Ultra 2

4.5 attribute score

Highest scored product for this attribute based on supporting review evidence.

Most evidence

Samsung Galaxy Watch 9

29 supporting reviews

Has the broadest review evidence for this attribute.

Best overall product

Samsung Galaxy Watch 6

4.0 overall score

Strongest overall product among items with scored evidence for this attribute.

#1 Samsung Galaxy Watch Ultra 2
4.5

Battery life is one of the Ultra 2’s biggest upgrades, commonly landing around two to three days and sometimes longer depending on settings and GPS use. Heavy navigation and workouts...

Pros: battery life, comfort

Cons: value for money, charging speed

#2 Samsung Galaxy Watch Ultra (2025)
4.2

Battery life is a strength relative to other Galaxy Watches, but real-world results vary widely with always-on display, GPS, and travel use.

Pros: battery life, display quality

Cons: value for money, antioxidant index

#3 Samsung Galaxy Watch Ultra (2024)
4.0

Battery life was one of the clearest improvements, usually landing around two to three days, though reviewers still noted it falls short of true outdoor-watch endurance.

Pros: battery life, sleep tracking accuracy

Cons: wellness insights, style and design

#4 Samsung Galaxy Watch 6
3.1

Battery life was the most divided and repeated issue, ranging from severe daily-charge complaints to better results with always-on disabled or larger models.

Pros: software smoothness, comfort

Cons: battery life, GPS accuracy

#5 Samsung Galaxy Watch 7
2.9

Battery life is the most common weakness: some reviewers got one to two days or post-update improvement, but many still found AOD, GPS, sleep tracking, or daily charging limiting.

Pros: value for money, wellness insights

Cons: battery life, cross-platform compatibility

#6 Samsung Galaxy Watch FE
2.9

Battery life was the biggest split: one reviewer found it excellent, but most evidence pointed to daily charging or limited endurance.

Pros: smartwatch features, health tracking accuracy

Cons: value for money, software smoothness

#7 Samsung Galaxy Watch 8
2.9

Battery life was the most repeated drawback, with reviewers often calling it daily-use or one-day performance despite a few positive or improved results.

Pros: comfort, voice assistant quality

Cons: battery life, antioxidant index

#8 Samsung Galaxy Watch 9
2.1

Battery life is the clearest recurring weakness. A few testers approach two days or beat expectations, but most report daily charging, heavy drain with workouts or AOD, and little improvement...

Pros: software smoothness, wellness insights

Cons: battery life, charging speed