Wednesday, January 24, 2024

[electricboats] Recommendation for Charging 12v House Battery from 48v Bank

I have the battery box for my 48vdc 200ah main bank installed and am considering how best to keep my 12 vdc house battery charged. All batteries in my system are LiFePO4. I will maintain charge in the main bank with 400 W of solar and a back up generator if necessary but, as my solar array will be 48v nominal I’m trying to  decide how best to keep my 12vdc house battery charged. I had been thinking of one of the Victron Orion dc-dc converters but just noticed in the literature that Victron says that these units are not for battery charging. I’d like to be able to use the main bank as a full time source for the house, but would appreciate any suggestions on what I can use to continuously feed from my main bank to my house battery.

Thanks in advance.
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