What to know
What to know
Apple Watch Ultra 4 would have better battery life than Ultra 3, Bloomberg's Mark Gurman reported. Ultra 3 is rated at up to 42 hours.
After launch, The Mac Observer reported that Ultra 4 is rated at up to 50 hours. The watch keeps the 49 mm titanium case and moves to the S11 chip.
How we know this
How we know this
What changed, newest first.
OutcomeRightIt turned out as reported.
Sep 10, 2026The Mac ObserverThe battery rating rises to 50 hours, with the 49 millimeter titanium case unchanged.
Latest Apple Watch Ultra 4 news
Latest Apple Watch Ultra 4 news
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- Apple Watch Series 12 heart rate tracks a chest strap on runs but lags in the gymTom's Guide · Oct 3, 2026
- Three weeks with the Series 12: the Readiness Score works but wasn't finished at launchDC Rainmaker · Oct 2, 2026
- Apple Watch Ultra 4 review: same $799 price, a more accurate heart sensor, missing softwareSep 29, 2026