You Do Need power plug adapter while traveling from Solomon Islands to Burkina Faso.

Here is Why You Need An Adapter

The outlet and plug type used in Burkina Faso are C and E and in Solomon Islands are G and I. This is how they look like.

Solomon Islands

In Solomon Islands, outlets of type G and I are in use.

Type G

Type I

Burkina Faso

In Burkina Faso, outlets of type C and E are in use.

Type C

Type E