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Testing Apple Watch Series 4 half marathon battery life with cellular off: over 50% after 2 hours - 9to5Mac
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Update: watchOS 6.1 beta] Apple Watch Series 5 battery life struggling to last all day for some users - 9to5Mac
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![Testing Apple Watch Series 4 half marathon battery life with cellular off: over 50% after 2 hours - 9to5Mac Testing Apple Watch Series 4 half marathon battery life with cellular off: over 50% after 2 hours - 9to5Mac](https://9to5mac.com/wp-content/uploads/sites/6/2018/12/watch-battery-half-marathon.jpg?quality=82&strip=all)