You Do Need power plug adapter while traveling from Kosovo to Laos.

Here is Why You Need An Adapter

The outlet and plug type used in Laos are A, B, C, E and F and in Kosovo are C and F. This is how they look like.

Kosovo

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

Type C

Type F

Laos

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

Type A

Type B

Type C

Type E

Type F