This is a Revolectrix Battery Workstation Interconnect Cable. This special cable is required to interface the Revolectrix Multi-Port Safe Parallel Adapter to either the Cellpro PowerLab 6 or PowerLab 8 Battery Workstations. The cable is 12 inches long, and includes a JST XH connector on one end and a JST PA (Cellpro) connector on the other end.