If you look at some of bigclive's other videos you'll probably understand why it's so hard. Small, single-port chargers skimping on isolation requirements to me

If you look at some of bigclive's other videos you'll probably understand why it's so hard. Small, single-port chargers skimping on isolation requirements to meet the size restrictions is kind of a long-running theme, most recently https://www.youtube.com/watch?v=tQK2Z0wRND0 https://www.youtube.com/watch?v=tQK2Z0wRND0 A lot of engineering goes into safely fitting power supplies into compact packages and companies want to charge a premium for it.