This is my first post on the forum, but I've been absorbing tons of information here the last 2 months since my purchase. How lucky we all are to have a site like this. My trailer is a 1976 Argosy Airstream rear bath which I am converting into a mobile food trailer. I just got the OK from the local heath department to move forward with my plans, so I am very excited to get started.
I have a background in construction, so I believe I can handle all of the upcoming mod's, but one area that is a little different for me is RV electric. I was hoping one of the experts on here would give my electrical plans a quick critique for any inefficiencies before I buy everything this week.
I would like the optionality of going "off-grid" with my trailer for 3-5 hours at a time if necessary. The only things that will require electricity on an on-going basis are a 2.6 amp upright freezer, 12v
LED house lights, 12v
vent fans and 12v
LED signage and water pump.
I am going to start out by doing this off of 2 Trojan T-105 6v batteries, wired for 12v. The batteries will be connected to a 2000W Tripp Lite Pure Sine Wave Inverter/Charger (8A/80A) which will thus be hardwired to the existing 30amp breaker box.
Doing it this way, I can leverage the existing breaker box and all of the existing outlets to draw off my batteries. I will have the option of adding solar down the line once I have some extra money to invest.
I was unsure of what size fuse I needed between the battery bank and the DC appliances. I haven't been able to find an internet resource that explains will the sizing for fuses in that regard. Do I need an 80 amp fuse here to match the capacity of the inverter?
Also, any other suggestions or thoughts would be really appreciated. When it comes to RV electric, it always seems there is an added layer that needs to be considered. I believe what I have planned matches my power needs and keeping the costs for this upgrade around 1k.