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Forerunner 745 - Battery drop on 5.20 firmware

Hello.

On firmware 4.20 my watch was holding ~1.00% hourly drop. After firmware 5.20 arrived, without any usage patterns changes, hourly drop now is ~1.35%.

Is this only my observation (situation) or this is widespread issue?

Thank you.

0 harryg over 4 years ago

Same my battery is also draining a bit faster, I get about a day less in total since the 5.2 update.

0 JayLDN over 4 years ago

After seeing this I will keep an eye on mine. I charged it to 98% this morning and used it for a ride. I used the save and resume later mode for a few hours and completed my ride later in the afternoon. I'm now on 85%. Not sure if that's good or not.

0 TeMpL_Team over 4 years ago in reply to harryg

Day less it what?

New to Fe 745.. but watch is from 100 to 1 in 2 days.. doing nothing special.. not mich better than Android ware.. lol.. not Close to 10 or 20ndays.. lol ... huge dispointment. ?

Or just fake reports.. about battery life?

0 tommycampbell over 4 years ago in reply to TeMpL_Team

I still get about a week using GPS everyday. I keep mine in airplane mode when not working out, PulseOX during sleep only and I don't use any of the smartwatch functions. I use the stock watch face with seconds disabled and the only extras I have installed are the Garmin Running Power data field and Steps to Fit data field wand the Battery Monitor widget. I have noticed that it went from using .1% per hour to .2% just being on my wrist.

0 harryg over 4 years ago in reply to TeMpL_Team

I get about 8 days with lots of gym related workout. I workout almost every day but no gps activities. Maybe a run a month or something. And the rest usual constant hrm, no pulse ox, standard watch face no seconds etc

0 JB204 over 4 years ago in reply to TeMpL_Team

TeMpL_Team

FR745 was never advertised as 10 to 20 days so not sure where got that from! If you turn pulse ox on 24/7 and lots of notifications plus use GPS and music (with Bluetooth headphones) it'll last only a few days.

I get 4 days or so. Pulse ox off, select notifications only, but lots of GPS plus BT music.

0 matthann over 4 years ago

Mine seems to be specifically at night. It'll drain about 10% during the day with no activities, and then about 20% in 8-9hrs overnight. I've turned off SPO2 altogether so it's not that.

I have noticed that it shows 'GPS software was updated' basically every time I go to start an activity - so unless Garmin are super agile and rolling out daily updates it could be a problem with that updating and using battery.