Scania airport fire truck

[Wombii]

The middle module is where I'm planning to fit the battery, a huge pump, ESC for the pump, the BEC for the LEDs and micro servos, a voltage step up module, some switches and a distribution point for most of the wiring. I'm sure it's a brilliant idea to place a lipo battery and lots of sensitive electronics in the same compartment as a high pressure pump.

I found some 12v 30A switches that can hopefully survive the current. From right to left: Battery master switch, switch for all the extra electronics like arduino, lights and microservos and a master switch for the high pressure pump system.
Building a small enclosure for them that will let me access the wiring behind them.