while boondocking and using my 6.3 kw onan and the pd 9260 i was not getting full charging to...
If your larger Onan has a waveform as corrupted as the Microquiet, you'll never get the full output out of a PD converter. Your only choices would be to use an inverter generator for charging, or use a converter that will provide its full output with lousy incoming power. A WFCO will do this, and I'd expect there are others.
2009 Fleetwood Icon 24A
Honda Fit dinghy with US Gear brake system
LinkPro battery monitor - EU2000i generator