The ENG field has had two battery mount standards in the form of the V-mount and the Anton Bauer Gold Mount for decades now, and both are interchangeable; you could swap a Gold Mount plate for a V-mount plate or vice-versa.
And on the consumer front, Sony’s Infolithium might as well be standardized as there’s lights which use Infolithium packs and you can buy generic battery packs in that format and still be able to power your Handycam from the mid '90s, for example.
The ENG field has had two battery mount standards in the form of the V-mount and the Anton Bauer Gold Mount for decades now, and both are interchangeable; you could swap a Gold Mount plate for a V-mount plate or vice-versa.
And on the consumer front, Sony’s Infolithium might as well be standardized as there’s lights which use Infolithium packs and you can buy generic battery packs in that format and still be able to power your Handycam from the mid '90s, for example.