You Do Need power plug adapter while traveling from Czech Republic to Falkland Islands.

Here is Why You Need An Adapter

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

Czech Republic

In Czech Republic, 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