Quote:
Originally Posted by JamieGeek
I believe that the 23kWh battery in my EV weighs in at <800lbs for comparison.
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That's good to know, and confirms such a generator-less system would be limited more by cost than weight.
A 4 kW generator and two lead-acid batteries (base case for comparison) will weigh just above 300 pounds. That same weight in lithium batteries would provide 8 to 10 kW-hours of capacity -- plenty for us.
Other than lithium battery cost, the only major hurdle to work out is being able to charge so much battery capacity off engine during the day. A second dedicated alternator would be great, but Ford doesn't offer that option as far as I know on the 6.8L V10.
Those who have built such a system did it on Sprinter chassis which have a second alternator option.