Someone was saying a couple weeks or so back that the IOTA has a better current regulator built-in then the PD does. i,e on my PD9260C if my batteries are close to 50% dischrage state the PD will throw a good 52AMPS of charge to my three batteries for maybe 5-10 minutes and than start droping back in current rate as the batteries start taking on charge. The post was saying the IOTA charger design would give out a good 50AMPS or better for the entire 14.4VDC two hour boost charging smart mode period and not drop back in current like the PD unit does... This porbably helps in charging the battery bank quicker.
Maybe someone that knows what I am referring to will pop in here with a better description of what I might be referring to...
I have had excellant performance out of my PD9260C now for over two years keeping my three 85AH (255AH total) battery bank re-charged. I just recently lost one of my 85AH batteries but at no fault to the PD-9260C unit. The battery was over 5yrs old and they wont last forever.
One comment on getting an 80 AMP charger system you may run into a problem using a 2KW Honda type generator to run the converter/charger. My PD9260C really revs up my 2KW Honda generator in ECo mode when running my 30A trailer shore power connector direct connected to the Honda Generator using a RV30A-15A adapter. The 80AMP may be over the 120VAC output rating of the EU2000i Honda generator. Something to check first if that is what you was intending to use to operate your PD9280 series converter/charger when operating off the power grid. I dont have the specs here in front of me...
NOTE: just Looked up the specs on the PD9280 and its 120VAC AC input is rated at 1300WATTS. The PD9260C is rated at 1000WATTS so your 2KW generator should be able to handle that I would thing. I believe 1800WATTS load is where the 2KW Honda generator starts thinking about not working for you.
Nevertheless that is getting up there for loading down the EU2000i Honda Generator for a constant 3 hour or more generator run time...