• I'm 840 curious. But can't justify £400 as the only thing I want is to have the ability to scroll the screen easily - otherwise 530 does exactly what I want.
    The 1040 is only £20 more (both at Tredz).

    I wouldn't pay a premium for the solar. On the vast majority of my rides I use less than half the battery. Then for multi-day ultras I would need to take additional power sources even with the solar. The number of rides where the solar would make a difference to what I did / needed would be very close to zero.

    The number of mAh's it generates is tiny compared to taking an extra (small) battery, and I plan to never go so close to the wire on power that I have to rely on a minature solar panel.

  • On the vast majority of my rides I use less than half the battery. Then for multi-day ultras I would need to take additional power sources even with the solar.

    Probably why I should ignore the solar. I was set to get the 840 but that it's the same size as the 540 seems perverse for some reason and I can't let it go :)

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