I would backup to Blu-ray and YouTube, flash drives and Google drive and share access with a bunch of people. Maybe get a Blu-ray player and store it in the box with the Blu-ray’s. Make sure all of your family has copies to all the data in all the formats.

The quality of the video doesn’t matter as much as the content and I can’t imagine how bad everyone would feel if something happened to that content and your daughter couldn’t watch it. Just make sure it’s everywhere in as many formats as possible.

I have a charger in my car and just chargers it during my commute.

It won’t require new bands, you’ll just need a dongle.