Originally Posted by cofbv
they said i had a bad battery. it was replaced. all winter long i had to run the coach to charge up the batteries. brought it back to cummins w and they say it's another bad battery. i have stated it's got to be something else that is causing this. does anyone have any input on this problem? i'm stumped and they seem to be also. cathy
You have three ways to recharge your house battery, if that is the battery bank in question.
The best is shore power using your converter/inverter/battery charger. If that unit is boiling your batteries, then it needs service attention. If you have a digital multimeter measure the voltage entering your house batteries when being charged by the onboard charger and shore power. That voltage should be about 13.6 to 14.2 dcv.
The generator is next best because it uses less fuel and can be run for the longer time needed to recharge your batteries efficiently.
The engine alternator will recharge your batteries but is seldom used for the three or four hours daily that might be needed to fully charge your house battery.
As Joe said, replace all the house batteries at one time with matching batteries. Be sure to use storage batteries, not starting batteries when you do. Golf cart 6v batteries wired to produce 12v have proven to be very good. I purchased mine at Costco.
If you can, post the brand and model of your inverter unit. Mine is a Freedom 25, but it is two model years later than your rig.
Also post the brand and group size of your existing house batteries.
The info may help others help you.