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Lead acid to lithium batteries

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sanda

RVF VIP
Joined
Mar 24, 2021
Messages
448
Location
Pueblo West, Co.
RV Year
2017
RV Make
Cougar
RV Length
28'
Fulltimer
No
Hi there
I have researched this forum and other information via google and still have questions on the conversion to lithium as it applies to my situation.
I am replacing two 12 volt acid batteries with two 100 ah lithium.
My converter is set up for lithium charging.
I have a 1500 watt inverter that powers the outlets in the trailer.
I have 330 watts of solar panels. These panels will charge at 14+ volts and step down to 13.3 volts float. (sunny day)
I will not be running a/c or fridge through the inverter.
Do I need to install a shunt for this conversion?
Do I need to install a dc to dc charger?
I have read that the battery cables must be the same length to assure even charging. Is this true?
I am concerned about cold weather charging as we camp in sub-freezing conditions sometimes. Seems the batteries that have internal heating are very expensive.
I'd appreciate any guidance from those who know more on this issue.
Thanks
 

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