[maxerickson]

At least reverse battery protection is pretty standard these days.

Doesn't make things work when they are plugged into the wrong connector, but they should still work once the connections are straightened out.

[Animats]

There's no excuse for that any more, especially since the invention of the ideal diode.[1]

[1] https://www.ti.com/lit/an/slvae57b/slvae57b.pdf