ENO EX PD-1 Male DC Power Plug to 9V Battery Button Connector Cable Male DC Power Plug to 9V Battery Button Connector Cable; Good Choice to set up a single pedal for a quick jam; Mini Size and portable; Incredibly handy accessory for gigging musicians. Powers any of 9v, DC jack compatible, pedals perfectly. Very useful for when you don&#039;t feel like setting up the whole rig or when you just wanna use a single pedal for a quick jam. Incredibly handy accessory for gigging musicians. Take it with you to guitar stores and trade shows to demo used pedals, etc.