Yes nice panels.Appears suited to a 36V system.Wont be easy to retrofit 1000sqft onto a 55ft vessel.
Same as GROPER said.I would use a string of 16 cells for 48V and agree that 20KW from 1000sqf seems a bit optimistic.For commercial day use...
Thats at your specified 30amps.
Come on fellas,this is 2013.You dont mess with dinotech lead/acid in the 21st century.BALQON has 260ah 3.2v cells for $205.Eight of these will...