the part with the radiator is on the left (so the 4-pipes part is on the bottom)
I'm however having trouble texturing this..

These days i'm quite busy with other things, i'll be back on the battery pack hopefully soon

This is my work in progress for the battery pack.

http://dl.dropbox.com/u/65601331/wip3.1.png
rendered sample: http://dl.dropbox.com/u/65601331/wip3.2.png