5/5
Exactly what the product description decribes
A cheap hardware option to power Arduino boards or other barrel power connector devices.
This is a 9V battery snap with barrel connector, works perfectly to add a 9V battery to your Arduino USB board.
Center-positive 5.5x2.1mm barrel connector.
A cheap hardware option to power Arduino boards or other barrel power connector devices.
Exactly what I was looking for. Worked perfect for my project