I've set up an integration with TTN (The Things Network) and Tago.  I don't know that much about Tago, nor do I endorse it in any way.  It simply was the easiest to setup so I can show what was one of my goals of this project:  sensor data on the cloud.

Here's a link to the public view of the dashboard I've setup for the project.  Right now, it's basic and just shows some battery data.  I need to update the device (I'm away now) to output the current and charge %, but voltage data is real