I got myself this stroke of a Raspberry Pi. The hub sends no electricity back to the Pi (important).
Speed is very good for a USB 2.0 hub.
Power supply provides 2.5A. Thus, the maximum USB specification to 500mA per port arrive safely.
The "quick-charging" function means that a port (and only one, yet no matter what) If necessary, up to max. May bring 1500mA. Tried I did not.