Hummingbird smart feeders with solar panels

Greetings! I’m now in the market for a smart hummingbird feeder. I plan to use mine on a pole or hook and want one with a solar panel that is somehow attached to the feeder, in other words not one that has to be attached separately to another structure (house, tree, etc.). The only one that I’ve seen so far that meets these requirements is the Feathersnap model. Anyone have any experience with it?