You Do Need power plug adapter while traveling from Saint Kitts and Nevis to Germany.

Here is Why You Need An Adapter

The outlet and plug type used in Germany are C and F and in Saint Kitts and Nevis are D and G. This is how they look like.

Saint Kitts and Nevis

In Saint Kitts and Nevis, outlets of type D and G are in use.

Type D

Type G

Germany

In Germany, outlets of type C and F are in use.

Type C

Type F