Software Update 2.48.16 (2025 November Rain release)
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@Horizontal_2 I meant without (!) activity. Indeed 9% could be correct if you use DND and the display is dark during sleep (which I do and the 1% per two hours goes down to about 1% per 4 hours (during the second night I tested). So you are also on Android. I wonder if anyone with an iPhone has better battery experience.
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@Gideon-Kaempfer same here with my Suunto Race 1. Battery drain incredibly fast. My hr arm band disconnect at every pause while biking and I have to restart it at each pause. I finished by downgrading to version 2.43.12. Most stable and bug free. Waiting for the coming update and hope for better fixes.
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For reference my battery report:
100% on 11/12 at 8:10 AM to 76% on 11/15 at 5:10PM
≈ 81 hours total 24% usedAverage battery drain
24% / 81 hours ≈ 0.3% per hourTotal workout time during that period 10.5 hours 1/2 of it with gps
Wake to raise
Lowest brightness
24/7 plus sleep tracking with oxygen
Wearing all day and night
Suunto HR sensor paired -
I don’t recognize any battery fix unfortunately
Frankly, my Peak pro 9 never kept more than 7 days. I have been using it for 1.5 years. 24/7 tracking is on, Raise to wake off.
The last year the battery holds 3-4 days and no more.
Usually, the first 24 hours it looks promising with ~14% usage, but then the depleting growth to 20% -> 30% a day.
The main reason to choose Suunto was it’s battery life for which I was ready to compromise the MIP display. Comparing my choice to any known brand with AMOLED display makes me feel uncomfortable. -
I did a full discharge after update on my Race 2, yesterday at 20h it was at 100% battery, today at 8h is already dropped to 94%, no activity. It seems pretty high drain to me.
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@jjorgemoura I think it is very difficult for users to explain exactly what they are doing since several people have started observing it for quite some time now without really changing the way they use the watch .
I almost always use watch with an HR strap (either polar H10 or Suunto smart belt) . After an exercise(usually running , or trail running) I tend to take and leave it on the side with the screen facing downwards and the strap not to be close to the hr sensor . I also take the strap out and leave it in the same room of the watch . The reason I m mentioning it is that I have seen on the battery indication of the watch that Suunto’ HR belt battery went down from 100% to 70% in just 2 weeks without that much of usage.
I suspected (after @Dimitrios-Kanellopoulos post on the BT connections) that it might be related to some issue on polling BT devices so I tend to remove the sensor from the HR belts to see if that would help.u
I have observed that after the recent update my battery lasts less than the specs also during activities . For an 1hour of running I observe some 4-5% drop . I use zonesense app and sometimes I look at the map (I cannot provide exact numbers of looking what as I don’t really want to focus on the watch while running since I exercise to let my brain “breath” and let go of the stress) . There are times that I take an Apple Watch ultra with me that has an lte connection to take calls in case I need it but I don’t normally carry a phone with me. -
@Stanislav-Damjanov I think I had exactly the same experience. It could be a battery algorithm thing. Happens to me with other devices too (e.g. Wahoo bike GPS) where the drop in the first hours is faster than after. At least for me with a V2 the drain relaxed a bit but it’s still bad.
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I am happy to see that all data from watch is now in sync with the app. Resources, recovery and hrv range now all match. Also when the hrv range changes it is reflected in the app. Very happy about it. But will still keep an eye on it, on resources especially : )
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@thanasis this is interesting and I’m observing something similar. After the last update on Tuesday, I noticed big drops (3 or 4 pp) in battery charge hours after finishing a running activity with a HR belt. When I didn’t use the belt, discharge was slower.
I usually wash my HR belt after running and hang it in the shower; I think the watch keeps connecting to it. Last Sunday I wanted to do some yoga with my daughter after my run, and I couldn’t use OHR because the HR belt was still connected. Strange thing, though, the discharge I observed this week happened while the watch was with me at work, and the belt at home. -
Regarding the updated morning report: If you have wake up before the alert, you will get the upcoming alert above the weather, letting you turn it off easily… Nice
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@thanasis I also noticed that my Garmin HRM Pro+ battery went from 80% to 12% in about a week with minimum usage. I suspect, but don’t know, that my Suunto is connecting to it for hours a time during the day while I am simply at home. Maybe it is connecting while I am in the proximity and draining the battery.
During this period I had used the HRM very little due to the fact when there is a Garmin turned on while using the Garmin HRM Pro+ then the Zone Sense will not work. There cannot be any Garmin or phone connected to a HRM Pro+ (even ANT+) if you want to use it for Zone Sense.I changed the battery and disconnected the bluetooth from my Suunto to the HRM and it is holding charge. Also to be clear this was before updating to 2.48.16.
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@Francesco-Pagano; Same here. My reply below states a similar issue
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@szleslie said in Software Update 2.48.16 (2025 November Rain release):
I got phantom a phantom sensor (which is a Polar Verity Sense I believe) with this update. I can not delete it. When it is selected the menu jumps back to the sensor list. I was able to add the Verity Sense again and the watch uses it. Is there any solution to this or just wait for the next update?
I have it mainly with my stryd. Others report the same thing, also stryd and race s.
I reported it to suunto support. First got an auto reply. Then an auto followup telling me suunto will close the issue if I don’t reply. So I replied.
Then I finally got a human support engineer saying that I should try to delete the ghost entries (which I cannot) or reboot the watch (which doesn’t help) or use the app the delete bluetooth connection (which isn’t an option I cannot find in the ios app) or do a factory reset (which I don’t like to do)
Told the support engineer to keep an I on their forum (provided a link to the topic) and tell the developers to fix bugs.
For me, this behavior came with the firmware update before the last one. Now quite often, my watch will not connect to my polar h9 or stryd. I think it has something to do with the multiple divices bluetooth change.
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@elbee said in Software Update 2.48.16 (2025 November Rain release):
or do a factory reset (which I don’t like to do)
Yes this nonsense needs to be fixed by implementing either a menu option to delete ALL Bluetooth connections on the watch in one go, or even better, implement the option to delete the orhpaned/ghost connections one by one.
Factory reset is only a workaround and very inconvenient at that! -
@Francesco-Pagano I am experiencing lag too. It doesn’t feel smooth
