This is a very useful connector, on one end is snap for the 9V battery, and another end is the standard DC jack (2.1mm). If you are using 9V battery to power your Arduino board, this cable will be handy and perfect for you.
- Custom made to deliver power from 9V battery to DC socket (2.1mm)
- One end is 2.1mm DC jack (center positive) and another end is snap for 9V battery
- Cable length ~ 12cm