The photo is from the manufacturer, the 9V I did not notice :). In reality, all ports are supplied with 5.2-5.3 volts.

I have two Sylphyos which have already charged on all ports. Works perfectly.

Greetings Christian

Hello Clint,

I solved the problem like this!

https://www.amazon.de/gp/product/B07TKJT7LS/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

Many greetings Christian