The On-Stage PS901 Pedal Power Bank drives an almost infinite array of guitar effect pedals. Featuring nine fully isolated, individually LED indicated outputs, the internally surge-protected PS901 also includes a five plug daisy-chain for expandability to power 13 pedals, heavy-duty, black anodized aluminum housing and a unit-comprehensive package of eight power cables, 1 reverse polarity plug, and 18V (U. S. ) power supply with euro conversion adapter plugs.