ObiWhanKenobi Posted June 21, 2019 Share So I have been riding with my Garmin Fenix 3HR for some nearly 2 years and have recently purchased a chest strap for more accurate HR data. I haven't used the navigation much, other than a local training ride with waypoints and turn by turn navigation. The battery drop seems reasonable. But we are training for the Trans Baviaans this year, and I was wondering if anyone has experience with the battery life of a Garmin Fenix watch (preferably a Fenix 3HR) using it for navigation and HR data during the event. Since it is a long event and battery on the watch is limited. Lets say we are aiming for anything below 15 hours to be safe battery wise. I have tried the Ultra Track mode, but I found this to be pointless, since it is not very accurate. I would rather ride without than have data that's misleading. Link to comment Share on other sites More sharing options...
tsdutweet Posted June 21, 2019 Share You won't need the navigation feature, route is super easy to follow, done it 3 times haven gotten lost yet, Link to comment Share on other sites More sharing options...
lurkerza Posted June 21, 2019 Share I also have a Fenix3 HR couple years old and have used it for ironman twice - 13h30 and 12h02 and it lasted a few days after as well. I also did comrades this year and I was worried the battery may have lost some of its capacity over time, so a week before the race I started a run activity in the morning and put on my chest hrm and then just let it run until it died - so why not do a similar test with yours for a day. Start a ride activity as you plan you use it for the race and see how long it lasts. Then discard the activity before saving so your strava stats dont get ruined! Mine lasted over 14h. Edited June 21, 2019 by lurkerza ObiWhanKenobi and cat-i 2 Link to comment Share on other sites More sharing options...
ObiWhanKenobi Posted June 21, 2019 Share You won't need the navigation feature, route is super easy to follow, done it 3 times haven gotten lost yet, Yes I'm aware, have done it twice as well, but it was before I had the fenix. Actually just interested if it will last HR and tracking wise the whole duration. Link to comment Share on other sites More sharing options...
ObiWhanKenobi Posted June 21, 2019 Share I also have a Fenix3 HR couple years old and have used it for ironman twice - 13h30 and 12h02 and it lasted a few days after as well. I also did comrades this year and I was worried the battery may have lost some of its capacity over time, so a week before the race I started a run activity in the morning and put on my chest hrm and then just let it run until it died - so why not do a similar test with yours for a day. Start a ride activity as you plan you use it for the race and see how long it lasts. Then discard the activity before saving so your strava stats dont get ruined! Mine lasted over 14h.Kudos on the Ironman and comarades. What a great idea. Think I'll give it a try lurkerza 1 Link to comment Share on other sites More sharing options...
V12man Posted June 24, 2019 Share turn off wifi and bluetooth and it should be fine Link to comment Share on other sites More sharing options...
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