Don’t require power plug adapter while traveling from Guinea-Bissau to Guinea.

Here's why you do not need an adapter

The outlet and plug type used in Guinea are C, F and K and in Guinea-Bissau is C and they are compatible with each other.

Guinea-Bissau

In Guinea-Bissau, outlets of type C are in use.

Type C

Guinea

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

Type C

Type F

Type K