The Battery Tender 024-0004-BK is a set of accessories designed to be used with Battery Tender brand battery chargers. It includes a quick disconnect plug and ring terminal harness, making it easy to connect and disconnect the charger from your battery. The plug has a weatherproof cap to protect it from the elements, and the harness has a 7.5 amp fuse for added safety. This product is black in color and is compatible with all Battery Tender chargers.