BiXPower Y9 Cable - 9 Feet 16AWG DC Power Cable with 5.5 x 2.5mm Male Connector One end of this cable is a 5.5mm x 2.5mm male connector, and the other end has two bare wires. Length: 9 Feet (or 2.8 Meter). UL2464 16AWG wires Barrel Connector: 5.5mm Outside Diameter x 2.5mm Inside Diameter x 12mm Length. Male Connector