When the camera dies, check the battery level of the camera, either with mobile app, windows, or API.
API method
Windows Method
contributed by Svendus
On Windows Go to this PC / RICOH THETA S right click chose Properties
If the battery is not 100% after you stream for 3 hours, then it means that the active extender cable is not charging the battery sufficiently. You may need to use a powered USB hub.
A powered adapter will have a wall charger to power the hub and USB ports. The USB port needs to output at least 1.5 volts. Example: