You Do Need power plug adapter while traveling from Aruba to Palestine.

Here is Why You Need An Adapter

The outlet and plug type used in Palestine are C and H and in Aruba are A, B and F. This is how they look like.

Aruba

In Aruba, outlets of type A, B and F are in use.

Type A

Type B

Type F

Palestine

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

Type C

Type H