You Do Need power plug adapter while traveling from Seychelles 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 Seychelles is G. This is how they look like.

Seychelles

In Seychelles, outlets of type G are in use.

Type G

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