As far as I know the dev kit it uses a 5.5mm OD and 2.5mm ID plug.
like this one: https://www.amazon.com/Philmore-Right-Angle-Power-Cable/dp/B000LFVFK8
As far as I know the dev kit it uses a 5.5mm OD and 2.5mm ID plug.
like this one: https://www.amazon.com/Philmore-Right-Angle-Power-Cable/dp/B000LFVFK8