You Do Need power plug adapter while traveling from Palestine 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 Palestine are C and H. This is how they look like.

Palestine

In Palestine, outlets of type C and H are in use.

Type C

Type H

Chad

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

Type C

Type D

Type E

Type F