24v alternator to charge (2) 12v 8D banks

[rwells36]

Originally Posted by smac999

what is the amp rating of the buck boost? the first diagram will give you more charging to the house battery by having 2 of them. assuming they are not rated sky high.

Here is the data sheet. Up to 50A

https://www.victronenergy.com/upload...25A-50A-EN.pdf

[chala]

Originally Posted by TeddyDiver

BR Teddy

In case you missed it.

Originally Posted by chala

Simple.

[chala]

Originally Posted by smac999

because the current is forced through the full one in order to get to the low one.

To consider:
When charging, the voltage of the depleted batteries is lower than the voltage of the “full” battery so no further charging of the “full” battery is possible until all the batteries reach the same voltage and then the voltage regulator of the charging source will prevent over charging.
I have that system with blocking diode and, diode bypass on charging, on my boat and that is the way the charging process behave.
By the way due to the voltage drop in the diode “the low one” never discharge as much than the 12 volts battery. So there is 3 batteries at different state of discharge that will recharge normally without exploding.

[TeddyDiver]

Reading to anyone interested of High-Capacity Battery Banks | SolarPro Magazine Thou it's mostly about bigger battery banks it's applicaple for us too..
Of course everybody is entitled to their own solutions but anyway, things you should know

BR Teddy