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Old 11-25-2020, 08:40 AM   #1
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24v battery bank?

Has anyone here converted their coach battery bank to 24v instead of 12v?

My Trojan T-105's are near end of life and I have ordered eight Battleborn batteries and I am trying to decide on the 12v .vs. 24v Victron Multiplus Inverters.

There are advantages of switching to 24v bank (smaller wires, less current, less heat, better efficiency, increased capacity on my solar controllers)

But there are still 12v based systems in our coach. Alternator, B.I.R.D., Onan generator starting motor, slide motors, who knows what else?

I can use a Victron 24v to 12v, 70A converter to run most of it. But that won't handle the load of the Onan starter motor. Maybe I could rewire the Onan to use the chassis battery, or install a separate starter battery for the Onan.

What are your thoughts?
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Old 11-25-2020, 08:45 AM   #2
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You asked;

I would put this at the very bottom of my wish/want list. You're going to get 5-10 years out of your new batteries and I can't see how you win by converting.
Hopefully someone will come along and educate us both.

Good luck.
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Old 11-25-2020, 09:29 AM   #3
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Actually, I will probably get 20 years lifespan out of these LiFiPO4 batteries.
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