Just check the specs of your various items of equipment. My main charger
actually has note saying NOT to run it in parallel with any other
charging device (they mention solar), as it monitors the battery bank
pretty well ALL the time. I was advised that if I wanted to also do
solar charging to put a disconnect switch to remove the 240v charger
from the battery circuit first.
My charger has a particularly complex 'float' algorithm - it doesn't
leave the battery on trickle charge all the time, it actually turns off
completely and monitors the terminal voltage, only giving a 'gentle' top
up as required. It also maintains some sort of long cycle timer and so
doesn't always do an 'equalise' charge, with out looking at the manual,
I can't remember what that cycle was - although given the infrequent use
I make of my boat, every trip gets a full equalise charge cycle.
The upshot it, my charger would get confused and possibly even
damaged, if it was in parallel with a solar or wind charge controller.
I would imagine that Solar/Wind charge controllers are more likely to
cope with being paralleled, as having multiple power sources is more
common in the 'renewable' energy world, where as my main battery charger
is firmly in the 'grid connected' world.
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