Hey there @ryanhelferich!
Feel free to check out this helpful thread when it comes to adding some custom code to allow background videos to play on mobile devices.
This might not work though depending on the device settings, as you’ve noticed when power-saving mode is on the video doesn’t play. There isn’t a way to try and override those settings with any kind of custom code.
Another route to experiment with is uploading a heavily compressed video to where the size is smaller than what is currently uploaded, that might help but it isn’t guaranteed based off of how the phone might read it as a too heavy of a resource to load/play.
Hopefully this helps, and please feel free to reach back out if you have any more questions; I’d be more than happy to continue assisting.
My best,
Riley