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Battery test after 1 week

Hi, after a week of battery test in minimal conditions, look at this post.

Parameters:

  • Brightness 20%.
  • Gestures in activity only.
  • Wifi sync OFF.
  • Cell phone notifications for messages and calls only.
  • Pulse oximeter off (previously only while sleeping).
  • Data recording per second
  • Clock face with hours and minutes, battery indicator and no seconds
  • Paired with a bluetooth headset but disabled, only enabled in sport.
  • Widgets: heart rate, weather, water, stress, music, notifications and activity history.
  • I uploaded 2GB of music but I don't think it will affect.

Days:

  • 100% 17:40 20/08
  • 97% 22:30 20/08 after 45m bike indoor.
  • 91% 13:00 21/08 with pulseoximeter sleep.
  • 89% 17:00 21/08
  • 84% 00:30 22/08 after 45m bike indoor + treadmill.
  • 79% 12:10 22/08 with pulseoximeter sleep.
  • 78% 20:30 22/08
  • 76% 21:50 22/08 after 45m bike indoor.
  • 67% 11:15 23/08 with pulseoximeter sleep.
  • 53% 19:50 23/08 after 45m treadmill with music.
  • 50% 22:30 23/08 deactivated the pulseoximeter at night
  • 47% 08:30 24/08
  • 45% 16:00 24/08
  • 41% 01:00 25/08
  • 38% 12:30 25/08
  • 36% 13:30 25/08 after 45m bike indoor.
  • 32% 22:20 25/08 after 20m bike indoor.
  • 24% 13:36 26/08
  • 20% 23:15 26/08 45m treadmill.
  • 17% 13:00 27/08
  • 14% 22:30 27/08

Due to the quarantine, in Argentina, I was not able to carry out outdoor activities (that use GPS).

  • I verified that under minimum consumption conditions, the watch supports up to 8 days (and a little more).
  • The consumption of one hour of music (bluetooth) is approximately equivalent to one day. In my tests 1 hour of treadmill with music consumed about 10% of my battery.
  • The pulseoximeter doesn't wreak havoc on the battery (at night) around 3-4%.

Before, with notifications from cell phone applications via Bluetooth, Wifi ON, Widget, gestures and clockfaces, the battery lasted a day.
I believe that cell phone notifications via bluetooth (with iOS) and Wi-Fi may be responsible for consumption, anyway I will continue to use the clock with the parameters to a minimum.

EDIT 01/09

With linked WIFI (to upload activities automatically) and custom clockfaces with many fields, in particular: WeatherFace (Paba) the battery consumption seems to be similar to that described above.
Therefore in my personal case I attribute the enormous battery consumption to the bluetooth notifications due to a poor pairing with my iOS cell phone (13.5.1)
  • The battery checks were carried out manually and I was writing down the progress, I know that there are widgets to measure the battery but I would not recommend them, I do not know how much it affects the measurement.
    I also added that over time (now I have been using it for 8 months) the battery life is not the same and now I probably lasted 6 days or a little less with the same use.

  • I'm currently testing 3 widgets, I dumped two others previously. I have a feeling that maybe I need to write my own one to have a peace of mind Slight smile

    1. Battery Widget with automatic charge detection - I like that it gives long time average and from the last charge, and the main reason I kept it is that it should warn whenever charge is reached to a set threshold. I'm not charging my phone above 77% to prolong it's life and want to do the same with the watch to preserve it's battery.

    2. Battery info - that's the widget I'm using the longest. I like graphs, flexible estimation of expected runtime, and it also gives battery log percentage through last 8 hours, if it had battery warning I'd probably stick with it.

    3. Better battery widget - I was looking for something what would give me battery usage per hour to estimate how newly installed app or watchface is affecting battery life. I couldn't find anything good but I've found the one which let you set the market and have countdown from it, which works for me so far.

    Hope that this would help

    Just for reference I'm using 5.75 Beta firmware now and it seems to have 0.6% per hour if I'm not actively use the watch.

  • thanks , that's exactly what I was doing first 3 charges, and in the meantime I added some battery widgets to see how they would affect battery consumption and to make my life easier. And I have to agree that doing it manually probably the best as otherwise it's easy to confuse things without writing it down into log.

    It's worrying to see that the battery degraded so fast. I'm curious whenever you always fully charged your watch and discharged to 0% or used "gentle" charging?

    I'm actually logging battery capacity during charge using USB meter just to see how it degrades over time

  • I had a Vivoactive 3 and the battery life was almost identical.
    Anyway, I was also a user of an Apple Watch 3, and although it is a totally different device, the battery life of the VA3 and VA4 (approximately 3 days in the worst case) was my decision to choose Garmin.
    Other smartwatches must be charged every day and I find it very frustrating.

  • yup, 3 days is something I can tolerate myself, anything less would make it annoying to charge, I guess.

  • Thanks! Do any of these show usage by app on the watch? That is what I had on my Galaxy Watch that was helpful in knowing what to stop using for best gains.

  • nah, unfortunately there are no apps like these. The only way to find out what drains your battery is by either checking reviews or better installing something and then watch whenever it increased your battery drain.