Battery relocation- is it possible to just use "remote battery posts" in the engine bay?

roccodart440 said

Those are smaller diameter than batter terminals. At least mine are.

I bought the plug in type. (no exposed terminals) I don't like the idea of relying on the caps. I also put mine in the trunk.

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Good point about those being smaller than actual battery terminals. That particular connector might not be a good option then.
As for exposed terminals, that's how they came from the factory, no?