short battery life (10 hours) - potential impact of ant+ sensors?

I am intensively using my Edge 530. GPS+Glonas, 1 sec recording. I noticed that when I ride with my buddies despite we both start off with 100% charge after a few hours I have much lower %. I.e. 50% after 5 hours on my edge and 70% on my friends unit. We seem to have the same settings, using the same routing track. The main difference is that probably I have sensors for other bikes / trainer / virb camera setup and he doesnt. Can this be the reason for the battery drain? Or should I look for another reason?

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  • Most of the regular sensors (power, HR, speed/cadence) are very low power drain. However the Varia radar definitely has a significant power hit to the head unit(probably from the rated 20 hours down to 16 hours). Not sure what the Virb does here (although probably not much if not connected).

    I note the MyEdge 2 datafield includes significant graphical elements to it. Constantly re-rendering graphical elements on the display is processor (and therefore battery) intensive when compared with the native text datafields. If your buddy is not running this screen, this may well account for the difference. But if you are only getting down to 50% at the end of a 5 hour ride, I'd just leave it as is.

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  • Most of the regular sensors (power, HR, speed/cadence) are very low power drain. However the Varia radar definitely has a significant power hit to the head unit(probably from the rated 20 hours down to 16 hours). Not sure what the Virb does here (although probably not much if not connected).

    I note the MyEdge 2 datafield includes significant graphical elements to it. Constantly re-rendering graphical elements on the display is processor (and therefore battery) intensive when compared with the native text datafields. If your buddy is not running this screen, this may well account for the difference. But if you are only getting down to 50% at the end of a 5 hour ride, I'd just leave it as is.

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