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Upgrading to Lithium

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zoobie55

RVF Newbee
Joined
May 16, 2026
Messages
1
Hello All, new to RVForums
I have a question.
I have a 2020 337RLS
I'm thinking of upgrading from lead acid batteries to Lithium, currently still using my 6 year old Interstate lead acids.
Thinking of getting two 100AH batteries.
Would I absolutely have to also upgrade the converter?
I've heard that I don't have to but to keep in mind that the original converter would only charge the lithiums to 80%.
If I have to upgrade the converter, what converter would you recommend?
Also, what charger would you recommend for when I need to charge the lithiums when not in the trailer (in storage)?
Thank you in advance.
Greg
 

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