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Ok not to be a jerk but do you actually use your ultra for working out? Maybe that’s the reason. I mean I’ve taken mine on 4 hr hikes and yah it kills the battery, it still last day a but battery is in the teens. That full workout mode and tracking and map display.

People here who have 3 days battery life likely don’t use it for working out.

My ultra is tracking the location and the heart rate for 2 hrs minimum most days so it’s understandable it is not lasting 2 days. When I travel and I don’t workout then yah it last a day and a few hours.
 
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Ok not to be a jerk but do you actually use your ultra for working out? Maybe that’s the reason. I mean I’ve taken mine on 4 hr hikes and yah it kills the battery, it still last day a but battery is in the teens. That full workout mode and tracking and map display.

People here who have 3 days battery life likely don’t use it for working out.

My ultra is tracking the location and the heart rate for 2 hrs minimum most days so it’s understandable it is not lasting 2 days. When I travel and I don’t workout then yah it last a day and a few hours.
Yeah, I use mine for about 3 hours of working out a day (Running, Cycling, Gym). I might enable 'fewer GPS & heart rate readings' and see how this tracks. Cutting down on tracking every walk might help. Lost 20% during sleep tracking as well last night. Might just be battery paranoid as it's a new device.
 
Mine lasts 2 days but that's with workouts. I think the biggest battery killer is WatchOS. I also don't charge to only x% as it doesn't add anything. I'm going to use the watch as a watch and then replace it in a couple years. It's not an investment, use it to its maximum potential and enjoy it then replace it in a few years' time. :)
 
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