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

Here is Why You Need An Adapter

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

Indonesia

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

Type C

Type F

Antigua and Barbuda

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

Type A

Type B