Without the solar panel how long can the batteries run the furnace and play music? Like 30 minutes once parked to get all ready and then when we get back for another 30? Or do you need to keep the truck running
The heat and stereo will run for hours and hours. Usually you are good for an entire weekend of normal use before needing to plug the trailer in. They come standard with two 6 volt deep cycles so they have lots of juice.
