Completely contained in the box.
Isolator and slow blow fuse next to the wiring cross channel. Blue sea fuse block under the brake lines. All accessory sockets and consumers grounded locally.
Battery box:
Engine bay with everything tucked away:
After seeing that red cable from the battery to the relay I know you work for Land Rover. Recognize as what is removed at PDI. Dii you get the battery hold down from the UK? I got the US one and bent it reverse.