You Do Need power plug adapter while traveling from Western Sahara to Falkland Islands.

Here is Why You Need An Adapter

The outlet and plug type used in Falkland Islands is G and in Western Sahara are C and E. This is how they look like.

Western Sahara

In Western Sahara, outlets of type C and E are in use.

Type C

Type E

Falkland Islands

In Falkland Islands, outlets of type G are in use.

Type G