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Amazon.com: Apple Watch Ultra [GPS + Cellular 49mm] Smart watch w/Rugged Titanium Case & Yellow/Beige Trail Loop M/L Fitness Tracker, Precision GPS, Action Button, Extra-Long Battery Life, Brighter Retina Display : Electronics
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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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