Comment by walrus01

I am about 99.9% certain that these will not be powered by consumer grade Si solar cells in special panels/encapsulation. Satellites typically use triple junction GaAs cells (>30% efficient) which are rated for space:

https://www.google.com/search?q=spectrolab+gaas&ie=utf-8&oe=...

https://en.wikipedia.org/wiki/Multi-junction_solar_cell

Spectrolab is owned by Boeing.