Would a small generator like the Honda 350 watt or 650 watt units provide enough AC to run the converter under the couch? I would like to plug it into the power cord in the back of my Airstream. This would in turn charge the battery. Or, should I use the DC charge cables that come with the generator. This would be more cumbersome because I would have to remove the battery and its container under the couch. What do you think? I am quite impressed with the Honda generators because of their quality and quietness.