All DC wiring will be supplied from the battery in the tongue box.. Power is a Deep Cell Marine battery.. battery will be charged and maintained by a 2amp - 6amp 12 volt battery charger in the tongue box.. tongue box will have an AC GFI receptacle for the battery charger.. Battery has a 30 amp fuse about 6 inches from the battery on the 14 gauge primary wire going to the fuse block in the headboard area of the tear.. fuse block will carry 15 amp fuses for all individual circuits..