You Do Need power plug adapter while traveling from Slovakia to Tonga.

Here is Why You Need An Adapter

The outlet and plug type used in Tonga is I and in Slovakia are C and E. This is how they look like.


Slovakia

In Slovakia, outlets of type C and E are in use.

Type C
Type E

Tonga

In Tonga, outlets of type I are in use.

Type I

Plug and Socket Compatibility Checker

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