How to use the battery HUB ZMI QB820 ?

Présentation of the Powerbank Xiaomi ZMI PowerPack 20000

This device has two USB ports and a bidirectional USB-C port for input and output. The HUB USB-C mode allows you to connect additional devices to the dedicated smartphone.

The battery adapts the charging according to the devices to be supplied :

  • USB-C 5-20V / MAX 40W; 
  • USB-A 5V /2.4A, 9V / 2A, 12V / 1.5A / Max 18W.

Warning ! Only one of the 2 USB ports should be used. A cap will indicate you which one not to use.


Precautions for use

Before using the battery for the first time, fully charge it. The charging periods of time are approximately :

  • between 3:45 and 4 hours (PD loader 5-20V / 45W USB ),
  • 5:30 hours (9V / 2A 12V / 1.5 using loading cable),
  • between 8:30 and 9 hours (5V / 2A loader )

Use the battery in HUB mode to allow to charge connected glasses and dedicated smartphone while using XpertEye

  • Switch the battery HUB mode by double clicking on the side ignition button. A blue light will start glowing continuously. 
  • Connect the dedicated smartphone using a USB-C / USB-C cable

Warning ! Only a USB-C / USB-C cable makes the loading process possible.

  • Then connect the glasses using a micro USB cable to the USB port of the battery HUB.
  • You should have the same connections than on the picture below.

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