Forum Discussion

kemeisland's avatar
kemeisland
Explorer
Feb 19, 2015

Coach battery seems drained after using generator.

Hello RV'ers! I'm a few weeks in to full-timing, in my '89 Mallard RV. I got the Onan generator working, finally, and realized that to use it I need to plug my 30-amp hookup into a jack in the powe...
time2roll's avatar
time2roll
Nomad
Feb 20, 2015
Parallax schematic just for fun

Note the relay... and though the converter is rated 45 amps to run the RV it just trickle charges the battery at 13.8 volts and about 6 amps.

Your alternator provides 14.5 volts and 50+ amps in comparison. New converter will do similar.

About Technical Issues

Having RV issues? Connect with others who have been in your shoes.24,341 PostsLatest Activity: Dec 07, 2025