Ah, so these spiders look like ants to fool the aphids that ants farm. Similar to how something that looked a lot like a human might fool cows and sheep into following them away to be eaten.

Wow, that looks almost exactly like my dog. Except less furry.

If it went 621 miles, and 440 was on battery, that means it went 181 miles on solar. Even if that was 4 days, that’s still 45 miles per day on solar. That is an amazing achievement. That’s enough that most people probably would never need to charge except when taking long trips, and would not just be a gimmick at all.