>>352927612
There are multiple sources indicating the same information, about a prototype. None of the leaks said this was not of a prototype, they literally said this is the Seacliff prototype. There are dozens, maybe hundreds of prototypes in Oculus that get made and scrapped all the time. 

>normal wireless use of the quest is about 2.5hrs or so without an extra battery plugged in
Yes. Now you can surely extrapolate what it would be like if they were to isolate the wireless chip and AI chips without any other circuitry active, without even the Home app running. And the display, which is, of course, one of the biggest power drainers.