@ChuckInDallas Hi!
The bottom plate (with all the GPIO pins) contains the battery.
The back should have a switch marked 1/0.
The switch must be set to 1 and the device powered on by USB.
The device must be ON during this time, I think, for the battery to charge.
Until you feel it is charged, then unplug the USB and see if the charge is maintained.
It only charges this way.
Screenshot 2025-03-09 at 6.58.33 PM.png