You Do Need power plug adapter while traveling from Malawi to Myanmar (Burma).

Here is Why You Need An Adapter

The outlet and plug type used in Myanmar (Burma) are A, C, D, G and I and in Malawi is G. This is how they look like.

Malawi

In Malawi, outlets of type G are in use.

Type G

Myanmar (Burma)

In Myanmar (Burma), outlets of type A, C, D, G and I are in use.

Type A

Type C

Type D

Type G

Type I