You Do Need power plug adapter while traveling from Somalia to Chad.

Here is Why You Need An Adapter

The outlet and plug type used in Chad are C, D, E and F and in Somalia is G. This is how they look like.

Somalia

In Somalia, outlets of type G are in use.

Type G

Chad

In Chad, outlets of type C, D, E and F are in use.

Type C

Type D

Type E

Type F