Wear OS HR measuring drains battery

Michele Galimberti shared this problem 5 months ago
In Progress

I tried to record a track with my WearOS watch connected and the HR option enabled, but in 2 hours the watch had lost 65% of the battery.

From the time it takes to update the HR in the app, it seems that the value is polled ~5sec (or is it polled for every point registered?).

It'd be good if it was possible to reduce the time between measurements, as currently the batteries of the watches are far from good enough

Comments (2)

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Hello,

that is a significant battery drain and I would suspect that battery of your watch might also not be in the best shape, but yes the add-on can be quite harsh on battery. HRM value is already sampled and sent only once every couple of seconds, I would suspect the display would be the major battery consumer if you use your watch with always-on screen.

Best regards

Milan

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I also spotted a battery drain today, when after enabling the HR on Locus for Wear OS on my TicWatch S.

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Thank you for the feedback. Do you have, by any chance, some rough estimate how much different is that compared to some other fitness apps tracking the HR on your watch?

Milan

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I can say that the only other comparison that I have is the "walk activity recording" using the Mobvoi's TicExercise (bundled with the TicWatch that stores the steps, GPS path and heart rate). Using TicExercise I do not see any specific battery degradation (and it is using the watch GPS too).

But I have also to say that I used the HR recording on Locus several days of the past week and only in one of them I had the massive battery drain (the watch turned off at 3 PM), so maybe it is not something happening everytime.

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