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Old 07-12-2015, 10:19 PM   #2
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City: Hailing Port: Charleston, SC
Country: USA
Vessel Name: Moonstruck
Vessel Model: Sabre 42 Hardtop Express
Join Date: Nov 2008
Posts: 8,144
First, I think a bigger charger is in order. A 30 amp charger is just too small for an inverter bank. It seems like an 80 to 100 amp charger would cut your generator time to 2 hours or less each day.

Since your generator capacity is too high, you could add a third smaller generator. It would have to be large enough to carry the extra load of the charger. You didn't say what size and type the battery bank is. If AGM you can charge at about 25% of rated capacity. It will take a little calculating to figure the size of the charger and generator needed.
Don on Moonstruck
Sabre 42 Hardtop Express & Blackfin 25 CC
When cruising life is simpler, but on a grander scale (author unknown)
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