Voodoo Lab PPAP Pedal Power Cable 2.1mm Barrel (Current Doubler, Plug Output, 10cm)
Voodoo Labs Pedal Power 2 cable for pedals with higher power requirements, use this current doubling adapter with a 2.1mm jack to combine two Pedal Power outputs. (Frequently used to combine outputs 5 & 6 on a Pedal Power 2+ to create a single 9V 500mA output.) This adapter will accept any cable with a 2.1mm plug.
Ideal solution for pedals with higher current demands when your power-brick is running short of high current outlets.