Can 2 100AH LIFEPO4 Batteries replace the House Bank?

Happy Place

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Mar 16, 2021
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Fluid Motion Model
C-302 SC
Vessel Name
Happy Place
2014 R31 CB - Because my current AGM's (4 @ 100ah) only allow 50% discharge, can I replace them with 2 Battle Born 100ah lithiums? The Battle Born comes with a 10 year warranty as opposed to 48 month on the AGM's.

The lithium allows 100% discharge. Any fire worries?

If the TugNuts agree, what modifications do I need to make to ancillary systems....charger, etc??

Has anyone else successfully made the jump? Love to hear your thoughts
 
I upgraded to Firefly oasis AGM batteries. G31 116ah. They were a drop in replacement as they technically are an AGM battery. However, I can run them down to 20pct SOC regularly. I can take them to 0pct and they will recover. Life expectancy on them is 600 cycles at 0 pct discharge. About 1200 cycles at 20pct discharge.

All I had to do was double the size of my battery charger.


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See my posts / gallery on the current factory lithium option for some ideas on how to do this. 8 batteries take a lot of space, but I am excited to not have the typical power management issues and use all of my equipment even on the hook.
 
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