It had not even crossed my mind before, but its obvious when you see it. Backpack-wearable computers with hot-swappable batteries, to untether your VR and AR experience.
https://www8.hp.com/us/en/vr/vr-backpack.html
https://www.roadtovr.com/vr-backpack-pc-at-a-glance/
VR headset computer
VR headset computer
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