Fenix 6 pro - battery from 100% to 5% in less than 15 hours

Hello to everyone,

I've seen other posts about this problem from two years now. I'm a relatively new user, i have my Fenix 6 pro for about a year and a half

and lately the battery life just gets zapped. I charged it to 100% at lunch and by next morning it was about to shut down at 5%. No training

during this time, no pulse ox, no sleep data, and 8 of these hours it was on power save mode during night time. This is crazy. I have opened

up a ticket with Garmin but I'm also writing here to raise more awareness for this issue, because it seems to be troubling people for years and

its not fixed yet?

Anyone has managed to fix it? i have a lot of trainning and races the next few months and this is a major problem for me.

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0 Anne over 2 years ago in reply to mcalista

sorry, yes i turned that off too, in fact I dont think it was on for the last few months of me using the watch, recharged it again this morning, for 4 hours in case its giving a false 100% reading, changed from the recent 27 days full charge written at the bottom of the watch face to 23 days, and i charged it for longer. it also had the wrong time, i force restarted it and it had a different wrong time, i turned it on at noon, watch said it was 7am, restarted it and it said it was 3pm, time is on auto so just really wierd, it also deleted the saved other time zones i had had in there

0 PhabPhamous over 2 years ago in reply to Anne

I still bet they screwed up somewhere in the driver or communication layer to the microcontrollers.
They may be working with second/third sources and not all of them are compatible. That's why it doesn't affect all users.

As said somwhere else here, I had the problem, got an replacement.
It worked totaly fine the first two days. Then I got an update. Battery drain was there again. On the replacement, where I have changed nothing.

I got another replacement, and since then, I stay away from any update.

0 gaalx (UA) over 2 years ago

Tell me, did you buy batteries for model 6 for replacement? Perhaps you know the number? Or did you buy from aliexpress?

0 Anne over 2 years ago in reply to mcalista

garmin itself claims the battery will only lose 20% of its battery charging potential in 3-4 years of 'normal' usage

0 Anne over 2 years ago in reply to Anne

and still waiting for them to get back to me, they requested photos of the front and back of the watch and how much time i was getting to a full charge, getting nowhere very very slowly

0 PhabPhamous over 2 years ago in reply to gaalx (UA)

No, I got a complete watch replacement from Garmin.
As said, my conclusion is, that battery darainage has to do with hardware/µC and incompatible drivers.
So just replacing the battery wouldn't do the trick.

0 Anne over 2 years ago in reply to PhabPhamous

I rang them again, talked to someone else and was told it is a replacement issue, but they would only give me a refurbished one

I can't get him to e-mail me back now, after repeatedly saying it was less than a year, under warranty and could i get a new one not one with potentially the same issues, they seem happy to help over the phone but never check their e-mails or respond after that

0 Anne over 2 years ago in reply to Anne

been a month now