Check the listing for details. JHS Volture 9v Voltage Sag Utility. Condition: New. Listed at 80.00 USD. Guitarists eventually caught on to this hack and began draining their batteries to try and find the sweet spot for their fuzz pedal. As the song says, “Power is made by power being taken.”. In fact, you might be surprised by the trippy sounds you find lurking in your favorite overdrive or distortion.