Not sure if this is a stupid question.
Today testing a type-c hub with PD power bank.
Type-c hub: YX04-X3
Power bank: HANG-PD4
Power Bank >> XR battery >> Hub PD port >> XR headset
Y
Tracker dongle
Play VRchat for 5hr until power bank dry.
Lost steam VR connect 3 times, restart steamVR will be fine.