What are the sizes of the input and output 12 barrel connectors?
12V input barrel size: 1.30 mm ID x 3.50 mm OD
12V output barrel size : 2.1 mm ID x 5.5 mm OD
12V input barrel size: 1.30 mm ID x 3.50 mm OD
12V output barrel size : 2.1 mm ID x 5.5 mm OD