If you connect to a PC during an activity, it will be forcibly closed. It's okay if it's a mobile battery.
That makes sense. Is there any reason it should be able to track an activity and be connected to Garmin Express at the same time?
If you connect to your PC to charge the battery during an activity, you won't have the option to save or cancel.
Change your USB mode to "Garmin" in Settings/System. www.youtube.com/watch
