Hi, Can anyone tell if the Blue Smart charger will work properly in this setup, and ensure that starter battery and household is topped up ?
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Yes that would work fine. I assume the AC charger would be shore powered?
Great thank you for your support.
I was in doubt if the charge voltage is enough to consistently turn on the DC-DC charger, and also if the charger can figure out which “charge mode” to go into (float bulk etc)
And yes, AC charger is shore powered.
Most of the setups i find online has the MPPT and shore-charger on the Lifepo4-side, and no other charging on the starter side (except from teh alternator). I find my setup more robust as the starter battery will always stay topped up
For the Orion xs
Default setting for engine on is 14v.
So the bulk charge stage for lead acid from AC charger should trigger it.
Default shutdown is 13.1v so it should stay active when the AC charger switches to float
Same with the MPPT
The Orion xs is all fully adjustable anyway so can be set to whatever you need.
https://www.victronenergy.com/media/pg/Orion_XS_12-12-50A_DC-DC_battery_charger/en/operation,-configuration-and-monitoring.html