I thought of this for when im driving, but for boondocking I want a generator. Most generators, say a 2000 watt Honda only put out 8-10 amps dc, so get a large and I mean large 50 amp battery charger and run it off the generator. I have seen the 200/40/20/2 die hard battery chargers designed to start a dead car bit never had a chance to see at what voltage they charge at. one of those would be almost perfect if one could limit charging voltage to 14.5
Always wondered why generators aren't made a hogh current 14.5 volt output, but then one can build one of these;
http://www.energymatters.com.au/honda-12v-25hp-55amp-battery-charger-with-digital-ampmeter-p-273.html
EDited, if you have a generator all you need is a small welding unit that does dc, or a mig welder. To the whip need to add a large capacitor to clean out the rectified ac into a good dc, then a solar controller to limit output to something a battery can take.
Dont want to weld, most rv converters can do very high currents, about 50 amps dc, its basically a 12v power supply. 150 bucks. Wire into generator and hook all dc outputs to the battery. Probably easiest fix, no need to reinvent the wheel. Maybe even tap into your rv converter you already have, and using a breaker give full dc power to the bbatteries
