You Do Need power plug adapter while traveling from Vatican City to Liberia.

Here is Why You Need An Adapter

The outlet and plug type used in Liberia are A, B, C and F and in Vatican City are C, F and L. This is how they look like.

Vatican City

In Vatican City, outlets of type C, F and L are in use.

Type C

Type F

Type L

Liberia

In Liberia, outlets of type A, B, C and F are in use.

Type A

Type B

Type C

Type F