My batteries are good and always charged. Saying that, I have froze and cracked one battery years ago on my old pop-up. I ended up digging up the patio and hauling the dirt to the dump.
I have taken my batteries out for about 20 years now and put them in my workshop on a piece of wood under my workbench. I hook up a trickle charger to a timer and set the timer to come on for 2 hours every Sunday. I give it a full charge if I am in the workshop, but it is usually fully charged all winter this way and loses very little water.
If you pull them out, you can but a Battery Tender on them [about $49.00]a small battery charger/maint type charge, it will not boil the batterys. Can get them on-line from various places, Northerntool etc.
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Thanks for all the info. My trailer has a main switch in the bathroom that shuts down everything. I think I will use it and get a Battery tender and not connect the 120v to the trailer till I get ready to go. There is no way I am going to pull that beast out of the trailer. Thanks again.
Chuck&Gail wrote: Why not be sure parasitic loads like propane detector are disconnected (I pull one fuse), then either add small solar maintainer (I've used them on vehicles for over 30 years), or just plug TT in for one day a month.
Unless you boondock a lot, battery should last at least 7 years in my experience.
Good advice. I would either get a solar panel with controller or disconnect the battery after a full charge. I use a 10 watt panel with controller and pull the fuse for the propane detector. I would also recommend getting a clamp-on DC ammeter so you can check current draw if you leave the battery connected.
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