Sometimes a good reset is all that's needed to kick bad bits loose and fix iPad battery life. Here's how to reset the iPads that have a Home button like the iPad (2020). Press and hold down both the Sleep/Wake (on/off) button and the Home button at the same time. Keep holding them down as the screen turns off.
Never seen a VR game hit 50GB yet, doubtful Alyx will hit that mark. I would safely assume around 30GB or under. I'd be very shocked to see it be higher than that. got it today, it downloads 48ish but yeah, it unpacks into 67.k6Gmzkk.