It is important to determine if you need a travel adapter or a voltage converter for Tonga plug and power outlets.

Not to worry, we have all the information you need to ensure a problem-free trip.

What type of plug is used in Tonga power outlet?

The power plug and outlet used in Tonga is the type I plug.

Type I plug has two flat pins arranged in a V shape and a grounding pin.

Tonga Plug & Socket: Travel Adapter Needed?
Tonga Plug & Power Outlet Type I

What is the voltage and frequency in Tonga?

The standard voltage and frequency in Tonga are 240 V and 50 Hz.

Suppose you are from a country with a standard voltage between 220 V and 240 V, such as Australia, the UK, countries in Europe, Africa, and most parts of Asia.

In that case, you do not need a voltage converter to use electric appliances in Tonga.

This is because manufacturers take into consideration slight deviations in voltage into account.

However, for travelers from countries with a standard voltage between 100 V and 127 V, such as in Canada, Japan, the US, and South America, a voltage converter is required to use electric appliances in Tonga.

If the standard frequency of Dominic is different from that of a traveler’s country, electric appliances shouldn’t be used.

If no voltage difference exists, electric appliances can be used at the owner’s risk but only for a short time.

Caution has to be exercised when using time-related, moving, or rotating appliances such as clocks, shavers, and electric fan heaters.

Some devices are free from voltage issues as they can be used with all frequencies and voltages.

On the label of such devices, an inscription such as “INPUT: 100 V – 240 V, 50/60 Hz” is written.

These devices can be used in any part of the world without a voltage converter.

They include chargers of phone cameras, laptops, tablets, cell phones, and electric toothbrushes.

Want to buy a power plug/travel adapter or voltage converter?

The list of travel adapter products and converters available online is endless. However, when you choose a quality travel adapter, you can stay connected to a power source.

Fortunately, here’s our top-3 travel adapter picks from Amazon, in terms of quality, design, and price.

Electricity in Tonga: How does Tonga get its energy?

Electricity in Tonga is mainly generated from imported fossil fuels.

In 2019 Tonga generated 72 GWh of electricity, with fossil fuel accounting for 88%.  

Hydroelectricity accounted for 12%.