Furnace and single battery

[Jollero]

Okay, so i am back at this camping thing. First my question, if we don't use the lights in the pop up dry camping, so assuming just the LP detecter is running, how long could we run the furnace for until the battery starts running low. The Jayco pop up manual shows 12 amps is what the furnace uses. I used to own a large travel trailer but storage and expense was too much, back to where i started with a pop up, after years of no camping with the kids, i miss it and want them back into it. I really don't have the space or want to run two batteries, wondering what one battery is really going to get me. thanks

[RoyB]

My furnace 12VDC blower draws around 6-8 AMPS from my battery bank. Thats much like leaving your truck headlights ON all night. One battery will not last long doing this haha...

The other problem is if you run your deep cycle battery down below 12.0VDC and not recharge right away you will most likely do damage to your battery and have to replace it.

I would guess 3-4 hours...

I was able to run four 85AH Interstate batteries across the tongue of my POPUP trailer between the propane tanks and the front of my trailer deck. I lost one battery right away before I changed to a better smart mode charging and have run the three shown in this photo for the past five years.


Roy Ken