Your plugs & sockets
Voltage
220V
Frequency
60Hz
Plugs
C, F
Plugs & sockets in Tonga
Voltage
240V
Frequency
50Hz
Plugs
I
South Korea to Tonga: Complete Plug & Adapter Guide (2026) Adapter Needed
Whether it's a business trip or a vacation, traveling from South Korea to Tonga requires a quick check on power compatibility. The last thing you want is to arrive and discover your charger doesn't fit the outlets.
The plug types are different between these two countries. In South Korea, outlets accept Type C/F, but in Tonga you'll find Type I sockets. A travel plug adapter is essential for this trip.
On the voltage front, South Korea (220V, 60Hz) and Tonga (240V, 50Hz) are very similar. You shouldn't need a voltage converter for your electronics.
Don't forget that Tonga hotel rooms sometimes have a universal shaver socket in the bathroom, but these low-wattage outlets aren't suitable for high-draw devices. For reliable charging, use the standard wall outlets with a proper adapter.


