The battery snap cable allows battery-operated effects without a DC power jack to be powered from a Pedal Power® isolated output. The PPBAT features a 2.1mm straight barrel connector on one end to connect to the power supply and a 9V snap connector on the other to connect to the pedal’s internal 9V battery snap connector. This cable works with any standard center negative polarity effect that runs on a 9V battery. PLEASE NOTE: The battery snap cable is NOT intended for use with a 9V battery. Features 9V battery snap to 2.1mm barrel connector Custom-designed by Voodoo Lab for optimal performance with Pedal Power Nickel-plated barrel plug secures solid connection to power supply 22-gauge copper wire for superior current handling Coaxial design allows greater cable flexibility Durable PVC insulation ensures long cable life Specs Power Supply Connector: 2.1mm straight barrel Pedal Connector: 9V battery snap Polarity: Standard (center-negative) Length: 18” (46cm)