Orion Smart 12V/12V 30A with MPPT - I do not believe it is charging properly

I have a Orion Smart 12/12V-30A Isolated DC to DC connected to my system from my tow vehicle which has 2 batteries and a 220A alternator into a 400ah LION Battery bank. I am also running a Smart Solar MPPT100/50, with 800W of Solar (feeding down at 24V). Also in the system are 2 Victron 3000 Inverters and a BMV 712 Smart Battery monitor. .

While doing some testing, driving down the road and turning on the A/C it seems that the DC to DC is not helping with the Charging and is remaining in “Float” while the MPPT is in “Bulk”.

I am not sure all of the settings are correct… Any help is greatly appreciated.

Thank you

Eric

2 |3000

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blutow commented · Jul 01, 2021 at 02:52 PM

What are your charge settings on the solar charger and the orion? Most people would align those settings and that should generally have both charges in the same mode most of the time. With your battery at only 13v, any appropriate setting for lithium batteries should be putting the orion charger into bulk mode. I'm pretty sure the orion should go into bulk when the battery drops below the float setting.

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