Hi Peterrr - Thanks for the background. Really helpful as I know I should now probably invest the time to trace everything out and see what the heck they did. I was suspicious but having read a number of threads about build quality it would not have been a shock to hear somebody say it was stock. The plan is to replace these with LiFePO4batteries. I think if I do a few mods to the carrier I can get four 100AH LiFePO4 batteries in then same space. I will put a main breaker in the mix and a new busbar so that all the connections are not on the battery terminals. Still scratching my head about why so many connections to the house battery.. time will tell! I see a few hours on my back under the coach.
Regards