You Do Need power plug adapter while traveling from Bahamas to Laos.

Here is Why You Need An Adapter

The outlet and plug type used in Laos are A, B, C, E and F and in Bahamas are A and B. This is how they look like.

Bahamas

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

Type A

Type B

Laos

In Laos, outlets of type A, B, C, E and F are in use.

Type A

Type B

Type C

Type E

Type F