04-09-2021, 07:04 AM
Just had a thought, I just installed a Victron Multiplus inverter/charger. It has a separate output to trickle charge a second battery at up to 4 amps, you might see if your inverter has this. It might take the place of the Amplstart charger, BUT only when the inverter/charger is charging.
Forest & Cindy Olivier
1987 log cabin
2011 Roadtrek C210P
PO 1999 Foretravel 36'
1998 Newell 45' #486
1993 Newell 39' #337