This USB 2.0 female power jack charging port connector comes with a twin red and black wiring attached. 

Please note that separate stepdown circuitry is required if not connecting to a 5V source.

Please see this stepdown module: https://www.ebay.co.uk/itm/296188964511?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=gANuaNFcRY2&sssrc=2047675&ssuid=gANuaNFcRY2&widget_ver=artemis&media=COPY

Mounting hole ~9.5x19mm

Spare wire- 2m Length twin