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PostPosted: Thu Mar 03, 2016 2:14 pm 
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Joined: Mon May 19, 2014 10:09 pm
Posts: 23
No sure if this is the right place for this post, but here it goes...

In June and July, I will do 2 long distance "competitions". One 540Km Road race and a 24h MTB race.
For that, I would like to log the GPS tracks and also speed, cadence and power, using ANT+ sensors.

Is there any equipment that can do this, for 24h to 30h without carrying spare batteries? I'm searching everywhere, but can't find anything.
I have a Garmin Edge 810, but the battery will not handle that much time.

Does anyone have any experience with something like this (Golden Embed GPS)?


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PostPosted: Thu Mar 03, 2016 4:51 pm 
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Location: Los Angeles / Glendale, California
The highest battery life, that I know of, is the Garmin 500. Newer models have less battery life. :(

My friends who do the 24hr races, like hOP, will carry two separate 500's or 520s (adding up) instead of a spare battery. On the lap closest to when the first one will die, they swap out the unit itself rather than carrying the extra weight of the spare battery. If you don't plan on pausing at all, have a team member hand off the new unit to you while you are checking in for the lap.

That is assuming your race is lap-based and not A to B distance....

Which road race are you doing?

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PostPosted: Thu Mar 03, 2016 8:39 pm 
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Thanks for your ideas prendrefeu!

If I cannot find a better solution, I might have to go with 2x 500's/520's of some friends... or even with my 820 and Forerunner 920XT (already have both).
Let's see if someone knows of a better option...

The road race will be the Styrkepröven, between Trondheim and Oslo, in Norway.


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PostPosted: Fri Mar 04, 2016 1:30 pm 
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Posts: 163
garmin forerunner 920xt in ultratrac mode has battery life up to 40 hours, "normale" mode up to 24 hours

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PostPosted: Fri Mar 04, 2016 6:51 pm 
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http://www.bikeradar.com/forums/viewtopic.php?t=12973115

Charging with external usb battery during ride.

Sent from my SM-G925F using Tapatalk


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PostPosted: Fri Mar 04, 2016 7:59 pm 
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Joined: Tue Aug 02, 2011 5:54 pm
Posts: 278
Here's a battery life comparison of GPS watches if you're going that route.

http://andrewskurka.com/2015/battery-life-comparison-gps-sport-watches/

As mentioned, the 920XT could be your ticket as it's a triathlon watch that supports bike features. Note however:

Quote:
...it doesn’t permit you to charge the device in the middle of an activity (such as an ultra run or super-long ride). When you add USB power to the FR920XT mid-activity, it’ll instantly end the activity and begin full charging. This is a bit of a disappointment.


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PostPosted: Sun May 01, 2016 3:35 pm 
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Joined: Sat Dec 20, 2014 5:46 pm
Posts: 46
Location: Slovakia
Bryton rider 310, very cheap (~80e), full ANT+ support, very accurate GPS chipset, 1sec recording of GPS data, fully programable screens, and the best of all, huge battery life (36h claimed). The longest ride i did with mine was ~5 hours, but the battery indicator was still on almost full at the end of the ride.


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PostPosted: Wed May 04, 2016 9:03 am 
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helldiver wrote:
Bryton rider 310, very cheap (~80e), full ANT+ support, very accurate GPS chipset, 1sec recording of GPS data, fully programable screens, and the best of all, huge battery life (36h claimed). The longest ride i did with mine was ~5 hours, but the battery indicator was still on almost full at the end of the ride.


Thanks helldiver!
That looks like a very good solution!
I've checked the Bryton website, and found that there's also the Rider 40 with a 30h battery time and also powermeter support.
I will have a try/test with a Rider40 from a friend, and check if it can actually handle the 30h!


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PostPosted: Fri May 06, 2016 2:19 pm 
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Posts: 64
I did a 460km ride in one day last December and I just used an external USB battery the size of a women's lipstick connected to my 810 and still had 100% at the end of my ride with HR, Speed sensor and power meter connected. Total time the 810 was on was 22 hours


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PostPosted: Fri May 06, 2016 6:26 pm 
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helldiver wrote:
Bryton rider 310...very accurate GPS chipset



When you say "very accurate," what are you comparing it with? Does it use GLONASS?

I was also interested in the Bryton units but never received a reply about GLONASS support. Thanks.


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PostPosted: Fri May 06, 2016 9:17 pm 
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Location: Slovakia
I'm comparing it with Edge 520 i was using before - Bryton seems at least as much accurate. Both are way much accurate/consistent then GPS in my LG mini android phone.


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PostPosted: Sat May 07, 2016 1:16 am 
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Location: Los Angeles / Glendale, California
...just another option: Garmin Fenix3

Only caveat:
-if you like to look at your computer mid-ride, probably not the best set up as it's easier to look down at your handlebar/stem area than your wrist.
-if you need to have the computer for route directions, this is not for you either (better for hikers in this sense)

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PostPosted: Sat May 07, 2016 2:02 am 
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prendrefeu wrote:
...just another option: Garmin Fenix3

Only caveat:
-if you like to look at your computer mid-ride, probably not the best set up as it's easier to look down at your handlebar/stem area than your wrist.
-if you need to have the computer for route directions, this is not for you either (better for hikers in this sense)


Just use the quick release mount for the Fenix 3, then you can mount it like any other Garmin on the bars

Image


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PostPosted: Wed May 11, 2016 12:28 am 
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Location: Los Angeles / Glendale, California
Fenix3 + Adapter + outfront mount = Omata Killer?

YES.

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PostPosted: Wed May 11, 2016 5:34 am 
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prendrefeu wrote:
Fenix3 + Adapter + outfront mount = Omata Killer?

YES.


Just need someone to develop a ConnectIQ app to emulate the analogue display of the Omata and good to go!


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