You'll point me to other threads that talk about batteries, I'm sure; but not going to lie, a lot of it is above my head and doesn't make a ton of sense. I guess what I'm looking for is a simple answer: how do I set up a battery to run a small fridge (50W Dometic), a maxxair fan, and some LED lights. I do mostly weekend trips racing. I guess I'm looking for a clear answer on what parts to buy and why, not necessarily a guide to hook everything up, but I have yet to really see anything on here that doesn't seem like blabbing on about different parts without seemingly mentioning what they do, etc etc. Appreciative and thankful for any help, in advance. A few things about my van: There is no aux battery or EK1, but the space for the aux battery is currently empty (under the driver's seat. There is a battery under the passenger's seat).