In 19.10, with the error state, restarting upower fixes the issue. So if you've booted without power connected, then connect power and don't see the charging icon, execute `sudo systemctl restart upower` and see the charging symbol.
In 19.10, with the error state, restarting upower fixes the issue. So if you've booted without power connected, then connect power and don't see the charging icon, execute `sudo systemctl restart upower` and see the charging symbol.