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Abnormal Power Consumption of Forerunner 955 with the latest firmware 19.18

when I updated forerunner 955 firmware 19.18, the power consumption is abnormal. before I can use at least 10 days but now it is very hard to use 10 days（7 days before last recharge and yesterday the watch had +-80%，12 hours late just had the 58%）

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3472666 8 months ago +1

Where are the Garmin engineers? I charged it to 100% last night at 22:00, and it was down to 11% at 5:00 this morning with power saving mode on. This is ridiculous. No one from Garmin is helping to fix…

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0 linsguilherme 8 months ago

+1 here.

I tried a soft reset, but no luck.

0 FlipStone 8 months ago

Still not sure if I suffer from this too, think so but can't really get a steady measuring of battery depletion...

Could you try if restarting after an activity maybe helps? I sometimes feel it's something with an activity (sensors?) triggering this and restarting the watch terminates this. But again, not sure. Haven't been able to pinpoint it and also isn't THAT crazy evident or annoying that the watch is unusable.

More like a 0.2-0,3%/hr to 0.4-0.5%/hr battery usage. Noticable but not unusable.

0 Ian the Morris Dancer 8 months ago

I'd been thinking exactly the same thing, and came here to see if anyone else had posted. I don't have measurements and statistics to back it up, but I feel that comsumption, both during an activity and in normal wearing, is higher than before the update...

0 nowster 8 months ago

Today I've turned off Pulse Oximeter "During Sleep" as that seems to be a major drain in the current firmware.

0 FlipStone 8 months ago in reply to nowster

Pulse OX is always a major drain when used ;) But already had that turned off fulltime (or atleast, to 'at request only' or what exactly it's called) so shouldn't be the issue here at least.

0 Jochem 8 months ago

Check out

https://forums.garmin.com/sports-fitness/running-multisport/f/forerunner-955-series/371675/high-battery-usage

0 3f67e072f7ec4c7f8484d51129165a6a 8 months ago

same for me :/

0 8744184 8 months ago

My battery usage has increased significantly since the last update!! I now use 6% on a 7K run, in full sunshine.

0 nowster 8 months ago in reply to 8744184

Interesting that my watch (FR955S) got full sunshine for a few hours this evening (watch mode: no activity running) and the battery level stayed at 46% for all of that time. It's been a few hours since then and the battery is still at 45%.

A 2¼ hour walk just before that used about 10%. Parkrun this morning (32 mins) used 4%.

0 3472666 8 months ago

Where are the Garmin engineers? I charged it to 100% last night at 22:00, and it was down to 11% at 5:00 this morning with power saving mode on. This is ridiculous. No one from Garmin is helping to fix the problem, which is even more ridiculous.