Follow up:
Replaced converter/charger with boondock 4 stage today. Huge shoutout to Randy and his team at bestconverters.com. Talked to him on Thursday around lunch time, converter was sitting at front door yesterday (Saturday) afternoon.
Install took about 3 hours but mostly because there was a good amount of modifications needed for unit to go into existing housing. Put meter on leads at battery after install reading 14.6 V. Didn't have a couple hours to let genny run to charge batteries, but not a difficult installation at all.
I did have to call them for clarification on wiring the new board.
J