Fuel Gauge reading on the USB

I am trying to set up a device that will be powered from a USB battery pack (V75 USB Battery Pack | 19,200mAh 71Wh) into the Electron’s micro USB. Is it possible to read the battery level from the onboard fuel gauge over the USB port, or is it just from the LiPo JST?

The fuel gauge only works with a single-cell Li-Po battery connected to the JST connector or Li+.