You Do Need power plug adapter while traveling from Abu Dhabi to Niger.

Here is Why You Need An Adapter

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

Abu Dhabi

In Abu Dhabi, outlets of type G are in use.

Type G

Niger

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

Type C

Type D

Type E

Type F