[C320-list] generator question

[Paul Adison]

I am considering the purchase of a Honeywell 1000i gasoline generator  
for the times I am cruising.  It is a 1000w generator producing  
7.5amps @ 120volts.  I am assuming that i am using 120ah per 24hour  
period give or take while under sail.  I am assuming that the battery  
charger is 10amps and not 15 although I don't know.  Can anyone tell  
me how long I will need to run the generator at night to charge the  
batteries back up?

Paul Adison
S/V "Rough Draft" _/ )
C320 #722