Try to find a programmable charger
, and certainly a three stage charger.
Programmable so that when your running the generator
to power it, you can keep it at absorption voltage, but when plugged in at the dock
, you need it to go to float.
Different batteries and different battery
chemistry require different charge voltages to ensure a long life of the bank, an inexpensive charger will cost you in the long run.
I'd recommend one of these, specifically the 60 amp, may sound high, but since your AGM
the best advantage of AGM's is that they can be charged quickly if your charge source is big enough.
Marine battery charger - Sterling Power Pro Charge Ultra ProCharge Ultra
What that means of course is that you would have to run that Honda
about half as long or less than you would with a smaller charger or regular lead acid batteries.
is nice, but you don't need it, more eye candy than anything
Oh, final edit, the 2000 gen is about 100 times more available and in use than the 1000, a 2000 is easy to sell if you chose to, it is the standard. A 2000 making a kilowatt is a quiet purr, a 1000 making a kilowatt is a screaming mee mee