Originally Posted by wa8yxm
Charging the batteries from deader than I care to talk about to full would take less than one gallon of gas.
The ONAN burns that much every hour,, and it takes at least six hours to do a full charge.
Interesting. I would think the Onan would be at least as efficient as the Power Tech generator. (I do not know what the load percentage would be for charging a 12v battery.)
"FUEL CONSUMPTION IN GALLONS PER HOUR
LOAD PERCENTAGE 7KW (Power Tech)
25% .16 GPH .
50% .32 GPH
75% .51 GPH
100% .64 GPH "