You Do Need power plug adapter while traveling from Ecuador 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 Ecuador are A and B. This is how they look like.

Ecuador

In Ecuador, 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