You Do Need power plug adapter while traveling from Panama to Ireland (Eire).

Here is Why You Need An Adapter

The outlet and plug type used in Ireland (Eire) is G and in Panama are A and B. This is how they look like.

Panama

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

Type A

Type B

Ireland (Eire)

In Ireland (Eire), outlets of type G are in use.

Type G