That would depend on your defenition of standard
I guess there are almost as many different packs as cars these days. Although I must admit ours is probably the most exotic.
We did not wish to compromise the centerline tank position, so we made a different battery shape.
I for one always redo the wiring of my receiver packs anyway. I never felt comfortable with relying on the spot welding of others. Guess it's like fuel. If you mix your own you know whats inside.
Julius