My Garmin Edge died on me this morning after only 4 hours. 520+, had it a few years and battery life has noticeably been shorter lately but this is the first time it hasn’t gone the full distance. Think I’ll upgrade to an 840. Anyone got any real world experience of the solar? It’s an extra $100. Just read DC rainmakers review and he seems to think it only generates 25mins or so from a 4 hour ride. Barely seems worth it however ironically that would have got me home today. He also publishes the 840 expected battery life and with everything going it has worst case of up to 26 hours. I’m never going to need that