You Do Need power plug adapter while traveling from United States Virgin Islands to Belarus.

Here is Why You Need An Adapter

The outlet and plug type used in Belarus are C and F and in United States Virgin Islands are A and B. This is how they look like.

United States Virgin Islands

In United States Virgin Islands, outlets of type A and B are in use.

Type A

Type B

Belarus

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

Type C

Type F