Powered 4 port USB 2.0 hub

I was reading “Beaglebone AI Survival Guide” and although is not
directly for the AI it works well and supplies its own power with the
D.C. blocked from going back into the Beagleboard.

I have been using it without problems with Debian 9.

You could probably use it also as a charging station with its 2.5 Amp power.

One source: