we all know that tim cook said tomorrow that the apple watch’s battery will last long for 18 hours ,What does an all-day battery life of 18 hours really consist of ?


“Battery life varies by use, configuration, and many other factors; actual results will vary.” Placing a call through the watch will allow you to talk to your wrist for just three hours, while at the opposite end of the use spectrum, just wanting to see the time on the display will mean the watch can eke out up to 78 hours of use — entailing four time checks every hour, but nothing else.

  • All-Day Battery Life -Up to 18 hours

  • Talk Time Test  – up to 3 hours

  • Audio Playback – up to 6.5 hours

  • workout test – up to 7 hours

  • Watch Test – up to 48 hours

  • power reserve – up to 72 hours

  • charge time – about 1.5 hours to 80% , about 2.5 hours 100 %

Apple Watch battery performance claims are based on test results from the 38mm Apple Watch. A 42mm Apple Watch typically experiences longer battery life.

Source : Apple 

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