VA4 Battery drain after SW 3.80

Question

Just updated to SW 3.80 recently. Now I notice that my Vivoactive 4 is leaking battery like crazy, like 30% per day without doing any activity compare to 10-15% per day previously. 
 
 Anyone experiencing this issue with SW 3.80?

Former Member · Answer

I tested everything - it is bluetooth - after using bluetooth for some time it sometimes randomly goes from ~0,3 - 0,5% an hour to 2 % an hour. To stop the drain it is not enough to turn off bluetooth, I have to restart the watch. 
 Even with custom watchface with seconds, high brightness, alarms, lots of playing around I have nice battery life... With pulse ox it is less but still impressive! 
 . 
 Possible reasons for sporadic BT (phone connection) battery drain: 
 Maybe an issue with walking out of BT range of my phone? If just turn on bluetooth for syncing and after that I turn BT off again (without restarting watch) and I am fine! Maybe BT battery consumption goes up rapidly after my phone looses the internet connection? Problem with my phone? BT Firmware has to be improved I guess!

Gizmo · Answer

I confirm - with the same use of the watch, battery consumption at 3.80 is a bit higher!

Former Member · Answer

I noticed the same

sjsherratt · Answer

I spoke with Garmin Tech Support today and they asked me to power down (restart) the device. Instead of the short push on the top button ("A") and selecting the power button in the circular menu as I had performed in the past to "turn it off then on", I was asked to hold the top button ("A") for about 15 seconds, (keep holding when the Request Assistance message appears) until the screen goes dark. Pushing the same button again causes it to restart, as indicated by a green triangle at first. The manual describes this as a 'restart'. 
 The rate that the battery is discharging seems to have decreased. I will keep monitoring it to see if it seems back to normal.

arty118 · Answer

I tried this. Fully charged last night before restarting. 20 hours later I&rsquo;m down to 60% already. This really sucks!

Former Member · Answer

I found a solution : use GPS for a running or bicking activity. 
 Just after the 3.80 update : I lost about 3% battery per hour. 
 I started a 5 min bicking activity with GPS, and after I lost only 0.5% batery per hour. 
 I think it come from the feature "synchronise time with GPS" ... I think, after an update, the watch is trying to check the satelite time. If you don't start an activity to get a GPS signal, the watch keep trying to synchronise time. 
 
 Good luck

VA4 Battery drain after SW 3.80

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