Quote:
Originally Posted by FF
"But that leaves only one alternator to charge it, not two."
Alts have V regulators , so unless the bat is DEAD DEAD DEAD the voltage from one alt will be a tiny bit higher , which will shut down the second.
The best use for 2 alts is to charge 2 batts.
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I guess I need to read some about that.
My boat tells me different story.
Lets say, starboard alternator is charging 2 depleted batteries, ammeter reads 60 amps, port alternator is charging starter battery at 15 amps. system is not interconnected.
When I manually turn bat switch to combine both sides, the starboard alternator ammeter output drops back to say 30 and the port alternator ammeter jumps up to 30.
I have done this a lot so I see it happen.
I have one wire alternators Delco 12SI 80 amps.
So leads me to believe both alternators that I have in particular, will share the load without dropping out. I dont know what else to say why.