9V Battery Snap to 5.5mm-2.1mm Coaxial Plug Adapter 9"
9v Battery Terminal Adapter – Less EMF
Amazon.com: HQRP 9V Battery Snap Connector and AC Adapter Compatible with 9-Volt/Radio/Square / 6LR61 / 7.2H5 / 6KR61 / 6HR61 / PP3 / MN1604 Clip Holder Cable Power Supply Cord [UL Listed] +
9V Battery Connector with Plug
9V Battery Snap to 5.5mm-2.1mm Coax Plug Adapter
2 Pin Adaptaplug DC Plug Adapter for 9 Volt snap battery substitution 9V
Amazon.com: HQRP 9V Battery Snap Connector and AC Adapter Compatible with TENS Unit, 9V Motion Detector Clip Connector Holder Cable Power Supply Cord + Euro Plug Adapter : Electronics
HQRP AC Adapter w/ 9V Battery Snap Connector for Boss CS-3 Compression Sustainer DS-1 Distortion MT-2 Metal Zone RC-3 Loop Station RV-5 Effects Pedal w/ Battery Clip Converter - Walmart.com
9V battery holder with switch & 5.5mm/2.1mm plug : ID 67 : $3.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Voodoo Lab Battery Snap to Right Angle 2.1mm Pedal Power Cable - 18" | Sweetwater
Rockboard 9v Battery Clip Converter - Indy String Theory LLC
Amazon.com: 5pack 9v Battery Clip with 2.1mm X 5.5mm Male DC Plug for Arduino by Corpco : Electronics
Amazon.com: 9v Battery Eliminator Snap Connector Conversion Adapter to 5.5mm Female DC Barrel Jack Connection Only - Replace 9-Volt Batteries Forever! : Electronics