Battery Terminal Pigtail allows you to plug the Power Panel Switching System, a Power Port or your 12-volt accessory with a Power Plug directly into a 12-volt battery 8ft. wire Plug-and-play SAE connector to battery spade connector Includes two (2) ring terminal adapters for use with larger batteries that don’t have spade connectors Watertight, booted fuse holder and a 15A fuse Compatible with: Power Ports (YP-PMC48S, YP-PMC96S & YP-PMC144S), Power Panel Switching System (YP-RP5R) & Power plug (YP-SAE4)