Quote:
Originally Posted by franktafl
Speaking of cut off switches, the cutoff switch on my 5th wheel is a joke of some sort. It cuts off some of the 12 volt systems like the command center and a few of the other things but NOT everything and definitely not the fridge. For that, you must locate the push button switch for the inverter (even if EVERY circuit breaker is off, including the mains) and yes, there is a circuit breaker for the inverter but nothing shuts it off except for the button. Running the fridge overnight drains the batteries to the point where they are almost dead. I would put my battery cutoff in the negative side-if it were me! But who knows, I’m old
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Quite a few RVs are set up that way. And they all produce the same effect...discharge surprises! You probably have a battery compartment on your 5th? Be easy for you to wire in another"Main" battery disconnect switch.Just saying...
I'm moving away from my GC2 batteries to a 200 amp lithium and relocating it inside under the dinette. I will probably put my disconnect on the negative side as the positive side will have a 200amp fuse followed by a 100 amp circuit breaker (load disconnect) then the buss bar. This way the negative side will have the disconnect, then a shunt then the buss bar. Keep the install near.
One thing for sure, you can simply drop in a lithium battery and make no changes, but you aren't getting the full benefits of the lithium system. It's been quite an education and fun buying all the stuff needed to have a fully functional lithium system. And that's just for the battery support. Solar is step 2!
Oh Travis, I drilled a small hole in the top cover of one of the battery covers. Installed my disconnect switch there. Left enough cable so I could lift the cover off to service batteries.
Works well. Been there 4 years with no issues. I turn off switch, remove key and put in truck.