David and Rosemary have been testing the latest Apple betas on all their devices, despite going off the grid things seem to be going well—and the latest beta has added more automation possibilities!
There is a newer version of this which charges via micro USB, but that doesn't have the extra solar panels which make the recharging considerably faster.
There are likely better options out there, but this was available when I bought it and worked well enough for me.
AppleScript to run Moom from anything—including Shortcuts as well as Bunch.