You Do Need power plug adapter while traveling from Antigua and Barbuda to Cape Verde.

Here is Why You Need An Adapter

The outlet and plug type used in Cape Verde are C and F and in Antigua and Barbuda are A and B. This is how they look like.

Antigua and Barbuda

In Antigua and Barbuda, outlets of type A and B are in use.

Type A

Type B

Cape Verde

In Cape Verde, outlets of type C and F are in use.

Type C

Type F