Battery drain not wearing the watch?

Garmin.

Not a useful answer but I’m 99% sure there is an intermittent software issue causing serious battery drain - in one case all the time, in another only during idle (non activity) time.

I’ve had both - fixed with a master (complete) reset but it comes back.  They’ve even RMAd my watch but I’m waiting for the new one to randomly develop the same issue.

I’m praying that the delay to 16.30 is to resolve this…

Hmm hope the next update solves it.  Wonder why an idle watch would drain?  Presumably the GPS is still not active if im not wearing it or on wrist and no activity logging while wearing it. 

Wondering if searching for a heart rate drains battery? Just at a loss as what it's doing extra while sat there in a drawer doing nothing. 

Weird. 

A lot of times (not every time though), a simple reboot of the watch can resolve these intermittent battery drain issues. I think sometimes the watch gets stuck in a "loop" or something, that runs the processor at full capacity until either the battery dies or the watch gets rebooted.

If it's any consolation, it's somewhat rare and probably will go away on its own, though for some people it's a persistent issue. There's also a chance that the battery is just no good, and needs a warranty replace. So if the reboot doesn't fix it, contact Garmin and see what they suggest.

9238435 said:

Wondering if searching for a heart rate drains battery?

It probably isn't that - when it is searching for heartrate, the LEDs on the back are lit up BRIGHT green (which absolutely would drain the battery fast), but if it doesn't find a heartrate after a few seconds, it gives up and turns off the green LEDs to save power.

More likely, the watch is probably stuck in a loop in some background process, like I mentioned above, and hopefully a simple reboot will stop it.

Ok thanks. Reboot as in complete reset starting watch from scratch? 

When I had a few extra Fenixes 6 lying around, I had 2 of them just sitting on the desk for a few days. The HR sensor turned off automatically (OBD I guess) and over 3 days they barely lost a day of estimated time remaining on the watchface. I think they would have lasted a month or more given that my regularly used F6X gets 17-18 days between charges.

Ps another thing. I've noticed a few times when my watch is charging and is at about 90% it comes up with 'low battery. What on earth is that about!?

17 days with normal use! How on earth is that possible. Are doing activities and GPS getting used etc? 

9238435 said:

Ok thanks. Reboot as in complete reset starting watch from scratch? 

No I wouldn't do a factory reset just yet. I just meant a regular power-off and power-on cycle, using the power button in the controls menu (long-press the Light button to access the controls menu)

Yeah, Fenix 6X Sapphire.

About 1 hour a day of GPS+Glonass activity (outdoor run)

HRM-Dual and RD-Pod linked via Ant+

24/7 HRM/Activity tracking

Pulse Ox off

Backlight 10%, 8-sec timeout, on only between sunset and sleep

No wifi

Linked to phone via BT all day

Power Saver mode during sleep (9pm-5am) w/ HR and Activity on (so basically just switches watchface and turns off BT during sleep)

This pretty much gives me 100% full functionality for what I need

Ignore the "47 critical" I have no idea what is bringing that up. My last charge was after 17.8 days, and with 1.0% remaining I think I still had 4-5 hours remaining (so a full 18 days). 

I had a thread here asking about good ways to maximize battery, folks had some good suggestions.