Scored a redarc bcdc1240 and a 175w solar panel off my brother in law for a steel so I've put the 1240 in the van to replace the current ctek d250s. The ctek is only rated at a 20a charge rate so it was chocking the solar a little so hopefully on sunny days I might so 30amps or so.
I cut a piece of thin ply and screwed it ontop of the wheel arch from underneath, this has given me a more usable area to mount the charger, inverter and a fuse box.
The 1240 uses a change over relay to select between solar or alternator input, redarc sell an 80a relay but at around $100 it wasn't going to happen (yep I'm a tight ass), I used a pair of 40a units I had in the shed and they get their trigger from the 12v wiring to the fridge as this only gets power when the cars engine is running.
Just need to grab some small cable ties to tidy it all up.