My Rockwood 8289 came with Group24 12 volt "marine" battery. First time dry camping this weekend, after being plugged in for a couple days, it discharges in about two hours of use. the only things we ...
Before you get new batteries, make sure they fit. I am using a trailer that sat for several years, and the old group 24 batteries were dried out and dead. I thought I would step up to group 29 12-volt deep-cycle batteries to get more amp hours, but found out after buying that they were too long to fit into the battery cabinet. I was able to modify the cabinet so it would hold them, but this was far from the plug and play that I had expected.