Battery drain

Todd Danielczyk

@jakubdr I also have seen a faster drain past 50% recently. It drops at a rate of one and a half to two times faster than the first 50%: software version 2.35.34.

Battery has been calibrated from 100-0-100% now twice and I am seeing a higher discharge rate once the battery is below 50% capacity.

borgein

@Todd-Danielczyk said in Battery drain:

@jakubdr I also have seen a faster drain past 50% recently. It drops at a rate of one and a half to two times faster than the first 50%: software version 2.35.34.

Battery has been calibrated from 100-0-100% now twice and I am seeing a higher discharge rate once the battery is below 50% capacity.

I’ve seen exactly the same after several calibrations. The battery drops slowly from 100% to 50%. Then it drops significantly faster, especially below 40%.

Not an issue before the last update.

darxmurf

@borgein same here, 40% on sunday, 5% at the moment with like 30 min of GPS usage since.

Antoine Lancrenon

So, I am still experiencing heavy drain ~10-15% every 24hrs.
everything is turned off (hr24, notifications, rize to wake off, back light off, everything law) I ahve done various battery calibration, from 2% to 100 various times now. soft reset, also a hard reset at some points already done. i am out of ideas. is it from the last update, official issue?

during activities, the drainage is just fkne and normal. issue is when watch mode.
i have a vertical solar, used original watch face vertical, with barometer trend, weather, and daylight complications…
i have ~4Go of maps download.

I am interested about people settings they have set when their battery is lasting more than 15 days and higher. csnnyou precise the watchfave used as well ? it seems that the watch face and complications are very impactful on the battery.

thank

Ars Vitae

@Antoine-Lancrenon After three calibrations and countless reboots of the watch, I can only assure you that you are not alone. At first the watch seems like everything is ok (from before the update), only to discharge after 2-3 days like yours, about 15% per day. I am counting on Suunto to solve this problem and please do not write that this is normal. I already mentioned in another post that discharging the battery to 0% will shorten the battery life. I don’t think Suunto provides free battery replacement. Frequent firmware updates are therefore a big compromise between getting new features and battery life. I much prefer less frequent but better designed updates than messing around for weeks with so-called calibration, which in this case (my third update) ended up being a complete fiasco.

GiPFELKiND

@darxmurf

GiPFELKiND

@sartoric really a defective battery? You are joking? So much users wrote about heavy battery drain after the last update and you believe it is a defective battery? All watches have after the update a defective battery? I had it Yesterday with my Race s. 7% battery 1hr after completely dead. No GPX, no Activity but suddenly dead. In 1hr from 7% to 0%… Also the race s has very big battery drain.

Edoardo Coppolillo

Same issue here, with a Suunto Vertical Solar Ti.

After the latest sofware update the battery drain during normal use (e.g. watch mode, no activity) is significantly increased.
I just charged the watch this morning up 97%, i unplugged it at 7:36 AM; been sitting at my desk/laptop for the whole day until now, and the battery is 93% at 4:19 PM.

3% gone in 7 hours of absolutely no activity, just moving slithlgy the wrist by typing on the keyboard.

I just did also a hard reset - i will keep posted if this has somehow reverted the trend or not.

Do you guys know if any of the developers at SUUNTO has been made aware of the issue?
@Dimitrios Kanellopoulos

Thanks you all in advance for your help!

darxmurf

@GiPFELKiND it’s clearly a software issue.

borgein

I guess the claimed battery improvement on the Vertical Solar only applies above 50% battery

maszop

This morning 53%, now after 8 hours - 45%. No activity. Most of the time at work at the desk. Discharging to 0 and charging the watch does not help.

fondueaufromage

Like all of you, since update 2.35.34 Q2, I have also noticed a sharp increase in battery consumption on my SV, even though I have not used it for activity recording. The battery completely discharges in 7 days with only 3 hours of activity… Let’s say loss of 6 to 10% per 24 hours.

But I read this post where a user found that the sunrise/sunset complication seems to be consuming excessive battery life : https://forum.suunto.com/post/149485
and I also display it on my watch. So I replaced it with another information and since then I have only lost 2% battery in 72 hours (without activity recording).

I don’t know if this would be the case for you too… ?

Antoine Lancrenon

@borgein when on gps/activity, the battery is working solid, and even better with last update.

The issue is clearly during watch mode depending:

watch face /complications
HR24 / sleep tracking
back light intensity
stand by (killer)
suunto app (depending which one during an exercise) didn’t test lately in 2024, but last ultra, 2 suunto app.during ultra (~15hrs) was.a killer also: went from 80% to almost 0%, it may have been fixed, and will depend of the suunto app also, more logical.on wajt live calculation and compuystion, data to be displayed.

The thing, and what is very frustrating is seeing the watch drain, doing nothing but watch mode checking weather and day light… this shouldn’t be from my point of view. I really hope those drops are identified by suunto, and will be fixed with a hotfix.

seeing a vertical solar draining in watch mode is not cool. Must be an issue, i am seeing more and more complaining. clearly not the battery defective, it is software.

surfboomerang

@fondueaufromage said in Battery drain:

But I read this post where a user found that the sunrise/sunset complication seems to be consuming excessive battery life : https://forum.suunto.com/post/149485
and I also display it on my watch. So I replaced it with another information and since then I have only lost 2% battery in 72 hours (without activity recording).

This doesn’t seem consistent for everyone.
I have the sunrise/sunset complication on my watch face. Charged the watch 3 weeks ago, recorded about 10 activities and have 48% battery left. (24/7 HR and sleep disabled)

Swaddy61

It seems this really is inconsistent across the watches.

My SVTi solar was last charged 3 weeks ago, I have 24/7 HR, HRV, SpO2,
Sleep Tracking all enabled, and also about 10 Activities, with GPS and often external HRM and today my watch is at 31%.

Weather has not been great, so not so much solar charging either!

I hope that by stating this I haven’t jinxed it…

isazi

I did notice battery drain in daily mode after the update, but it went away after a charge and reboot few days after. After that everything seems normal.

Because it seems to affect only some users, Suunto developers are finding it difficult to pinpoint this. A special firmware is being tested with enhanced debugging capabilities. Hopefully the issue will be fixed for all in the next update (coming shortly).

Antoine Lancrenon

@Swaddy61 interesting, what is the watch face and complications also?
indeed, it is not consistent…
seems that the soft reset help last time I have change watch face/complications. But still, having to do a soft reset all the time is not acceptable and it always starting to drain

I have a spartan watch face, displaying analog seconds, and battery. everything is off (notifications, wifi, discovery, sleep, hr24 etc) I have the feeling something else is happening.

It is great to hear that the logging will be improved to help pinpoint those issues. there is something going on, but great to hear that some (or most finally) if you have the expected battery life.

Swaddy61

@Antoine-Lancrenon I have analog watch face with barometer, altitude, Day / date and sunrise / sunset complications (4 complications in total), so it isn’t ‘necessarily’ the sunrise/sunset complication by itself that is causing the issue, at least, not for me.

maszop

@fondueaufromage I use a Race face with Date and CTL. So there must be another reason.

GiPFELKiND

@surfboomerang didnt make the Problem better for users who have that battery drain Problem…