Battery re-location.?

[TailEndCharlie]

Hi.
Im contemplating re-locating my battery.
To either the boot area, OR in the cubby behind he front seats.

And I have a few questions.

What size of cable is used,
And
where do you run/hide the cable.
Ta.

[TailEndCharlie]

That's a nice tidy install....
Thanks so far chaps...