Will your power adapter operate abroad?
The best way to find out is to directly check what's printed on the power supply. These usually feature a sticker or something similar that says something about the voltages the device can operate on (e.g. "120 Volts", "120V", "~120V" or similar). Modern power supplies often operate on a wide range of voltages.
A range of e.g. "110-240V" is not uncommon, if that's the case, all you need to bring along is a matching cable or adapter so you can plug it into the local socket format (a hassle on its own).
| Flag | Country Name | Voltage / Frequency |
|---|---|---|
| Afghanistan | 220V - 50Hz | |
| Albania | 220V - 50Hz | |
| Algeria | 230V - 50Hz | |
| American Samoa | 120V - 60Hz | |
| Andorra | 230V - 50Hz | |
| Angola | 220V - 50Hz | |
| Anguilla | 110V - 60Hz | |
| Antigua and Barbuda | 230V - 60Hz | |
| Argentina | 220V - 50Hz | |
| Armenia | 220V - 50Hz | |
| Aruba | 127V - 60Hz | |
| Australia | 230V - 50Hz | |
| Austria | 230V - 50Hz | |
| Azerbaijan | 220V - 50Hz | |
| Bahamas | 120V - 60Hz | |
| Bahrain | 230V - 50Hz | |
| Bangladesh | 220V - 50Hz | |
| Barbados | 115V - 50Hz | |
| Belarus | 220V - 50Hz | |
| Belgium | 230V - 50Hz | |
| Belize | 110/220V - 60Hz | |
| Benin | 220V - 50Hz | |
| Bermuda | 120V - 60Hz | |
| Bhutan | 230V - 50Hz | |
| Bolivia | 220/230V - 50Hz | |
| Bosnia and Herzegovina | 220V - 50Hz | |
| Botswana | 220V - 50Hz | |
| Brazil | 110/220V - 60Hz | |
| British Indian Ocean Territory | ||
| British Virgin Islands | 115V - 60Hz | |
| Brunei | 240V - 50Hz | |
| Bulgaria | 230V - 50Hz | |
| Burkina Faso | 220V - 50Hz | |
| Burundi | 220V - 50Hz | |
| Cambodia | 230V - 50Hz | |
| Cameroon | 220V - 50Hz | |
| Canada | 120V - 60Hz | |
| Cape Verde | 220V - 50Hz | |
| Cayman Islands | 120V - 60Hz | |
| Central African Republic | 220V - 50Hz | |
| Chad | 220V - 50Hz | |
| Chile | 220V - 50Hz | |
| China | 220V - 50Hz | |
| Christmas Island | 240V - 50Hz | |
| Cocos Islands | 240V - 50Hz | |
| Colombia | 110V - 60Hz | |
| Comoros | 220V - 50Hz | |
| Cook Islands | 240V - 50Hz | |
| Costa Rica | 120V - 60Hz | |
| Croatia | 230V - 50Hz | |
| Cuba | 110/220V - 60Hz | |
| Cyprus | 240V - 50Hz | |
| Czech Republic | 230V - 50Hz | |
| Democratic Republic of the Congo | 220V - 50Hz | |
| Denmark | 230V - 50Hz | |
| Djibouti | 220V - 50Hz | |
| Dominica | 230V - 50Hz | |
| Dominican Republic | 110V - 60Hz | |
| East Timor | ||
| Ecuador | 120V - 60Hz | |
| Egypt | 220V - 50Hz | |
| El Salvador | 115V - 60Hz | |
| Equatorial Guinea | 220V - 50Hz | |
| Eritrea | 230V - 50Hz | |
| Estonia | 230V - 50Hz | |
| Ethiopia | 220V - 50Hz | |
| Falkland Islands | 240V - 50Hz | |
| Faroe Islands | 220V - 50Hz | |
| Fiji | 240V - 50Hz | |
| Finland | 230V - 50Hz | |
| France | 230V - 50Hz | |
| French Guiana | 220V - 50Hz | |
| French Polynesia | 220V - 50Hz | |
| French Southern Territories | ||
| Gabon | 220V - 50Hz | |
| Gambia | 230V - 50Hz | |
| Georgia | 220V - 50Hz | |
| Germany | 230V - 50Hz | |
| Ghana | 230V - 50Hz | |
| Gibraltar | 240V - 50Hz | |
| Greece | 220V - 50Hz | |
| Greenland | 220V - 50Hz | |
| Grenada | 230V - 50Hz | |
| Guadeloupe | 230V - 50Hz | |
| Guam | 110V - 60Hz | |
| Guatemala | 120V - 60Hz | |
| Guernsey | 230V - 50Hz | |
| Guinea | 220V - 50Hz | |
| Guinea-Bissau | 220V - 50Hz | |
| Guyana | 240V - 60Hz | |
| Haiti | 110V - 60Hz | |
| Honduras | 110V - 60Hz | |
| Hong Kong | 220V - 50Hz | |
| Hungary | 230V - 50Hz | |
| Iceland | 220V - 50Hz | |
| India | 230V - 50Hz | |
| Indonesia | 127/230V - 50Hz | |
| Iran | 230V - 50Hz | |
| Iraq | 230V - 50Hz | |
| Ireland | 230V - 50Hz | |
| Isle of Man | ||
| Israel | 230V - 50Hz | |
| Italy | 230V - 50Hz | |
| Ivory Coast | 220V - 50Hz | |
| Jamaica | 110V - 50Hz | |
| Japan | 100V - 50/60Hz | |
| Jersey | 230V - 50Hz | |
| Jordan | 230V - 50Hz | |
| Kazakhstan | 220V - 50Hz | |
| Kenya | 240V - 50Hz | |
| Kiribati | 240V - 50Hz | |
| Kosovo | ||
| Kuwait | 240V - 50Hz | |
| Kyrgyzstan | 220V - 50Hz | |
| Laos | 230V - 50Hz | |
| Latvia | 220V - 50Hz | |
| Lebanon | 230V - 50Hz | |
| Lesotho | 220V - 50Hz | |
| Liberia | 120V - 60Hz | |
| Libya | 127/230V - 50Hz | |
| Liechtenstein | 230V - 50Hz | |
| Lithuania | 220V - 50Hz | |
| Luxembourg | 220V - 50Hz | |
| Macao | 220V - 50Hz | |
| Macedonia | 220V - 50Hz | |
| Madagascar | 220V - 50Hz | |
| Malawi | 230V - 50Hz | |
| Malaysia | 240V - 50Hz | |
| Maldives | 230V - 50Hz | |
| Mali | 220V - 50Hz | |
| Malta | 240V - 50Hz | |
| Marshall Islands | 110V - 60Hz | |
| Martinique | 220V - 50Hz | |
| Mauritania | 220V - 50Hz | |
| Mauritius | 230V - 50Hz | |
| Mayotte | 220V - 50Hz | |
| Mexico | 127V - 60Hz | |
| Micronesia | 120V - 60Hz | |
| Moldova | 220V - 50Hz | |
| Monaco | 220V - 50Hz | |
| Mongolia | 220V - 50Hz | |
| Montenegro | 220V - 50Hz | |
| Montserrat | 110/220V - 60Hz | |
| Morocco | 127/220V - 50Hz | |
| Mozambique | 220V - 50Hz | |
| Myanmar | ||
| Namibia | 220V - 50Hz | |
| Nauru | 240V - 50Hz | |
| Nepal | 230V - 50Hz | |
| Netherlands | 230V - 50Hz | |
| Netherlands Antilles | 127/220V - 50Hz | |
| New Caledonia | 220V - 50Hz | |
| New Zealand | 230V - 50Hz | |
| Nicaragua | 120V - 60Hz | |
| Niger | 220V - 50Hz | |
| Nigeria | 240V - 50Hz | |
| Niue | 240V - 50Hz | |
| Norfolk Island | 220V - 50Hz | |
| North Korea | 110/220V - 50/60Hz | |
| Northern Mariana Islands | 120V - 60Hz | |
| Norway | ||
| Oman | 240V - 50Hz | |
| Pakistan | 230V - 50Hz | |
| Palau | 115/230V - 50Hz | |
| Palestinian Territory | ||
| Panama | 110V - 60Hz | |
| Papua New Guinea | 240V - 50Hz | |
| Paraguay | 220V - 50Hz | |
| Peru | 220V - 60Hz | |
| Philippines | 220V - 60Hz | |
| Pitcairn | 220V - 50Hz | |
| Poland | 230V - 50Hz | |
| Portugal | 230V - 50Hz | |
| Puerto Rico | 120V - 60Hz | |
| Qatar | 240V - 50Hz | |
| Republic of the Congo | 230V - 50Hz | |
| Reunion | 220V - 50Hz | |
| Romania | 230V - 50Hz | |
| Russia | 220V - 50Hz | |
| Rwanda | 230V - 50Hz | |
| Saint Barthélemy | ||
| Saint Helena | 220V - 50Hz | |
| Saint Kitts and Nevis | 230V - 60Hz | |
| Saint Lucia | 240V - 50Hz | |
| Saint Martin | ||
| Saint Pierre and Miquelon | 220V - 50Hz | |
| Saint Vincent and the Grenadines | 230V - 50Hz | |
| Samoa | 220V - 50Hz | |
| San Marino | 220V - 50Hz | |
| Sao Tome and Principe | 220V - 50Hz | |
| Saudi Arabia | 127/220V - 60Hz | |
| Senegal | 230V - 50Hz | |
| Serbia | ||
| Seychelles | 240V - 50Hz | |
| Sierra Leone | 230V - 50Hz | |
| Singapore | 230V - 50Hz | |
| Slovakia | 230V - 50Hz | |
| Slovenia | 220V - 50Hz | |
| Solomon Islands | 220V - 50Hz | |
| Somalia | 220V - 50Hz | |
| South Africa | 220V - 50Hz | |
| South Georgia and the South Sandwich Islands | ||
| South Korea | 220V - 60Hz | |
| Spain | 230V - 50Hz | |
| Sri Lanka | 230V - 50Hz | |
| Sudan | 230V - 50Hz | |
| Suriname | 127V - 60Hz | |
| Svalbard and Jan Mayen | 230V - 50Hz | |
| Swaziland | 230V - 50Hz | |
| Sweden | 230V - 50Hz | |
| Switzerland | 230V - 50Hz | |
| Syria | 220V - 50Hz | |
| Taiwan | 110V - 60Hz | |
| Tajikistan | 220V - 50Hz | |
| Tanzania | ||
| Thailand | 220V - 50Hz | |
| Togo | 220V - 50Hz | |
| Tokelau | 230V - 50Hz | |
| Tonga | 240V - 50Hz | |
| Trinidad and Tobago | 115V - 60Hz | |
| Tunisia | 230V - 50Hz | |
| Turkey | 230V - 50Hz | |
| Turkmenistan | 220V - 50Hz | |
| Turks and Caicos Islands | 120V - 60Hz | |
| Tuvalu | 220V - 50Hz | |
| U.S. Virgin Islands | ||
| Uganda | 240V - 50Hz | |
| Ukraine | 220V - 50Hz | |
| United Arab Emirates | 220V - 50Hz | |
| United Kingdom | 230V - 50Hz | |
| United States | 120V - 60Hz | |
| Uruguay | 220V - 50Hz | |
| Uzbekistan | 220V - 50Hz | |
| Vanuatu | 230V - 50Hz | |
| Vatican | ||
| Venezuela | 120V - 60Hz | |
| Vietnam | 127/220V - 50Hz | |
| Wallis and Futuna | 220V - 50Hz | |
| Western Sahara | 230V - 50Hz | |
| Yemen | 220V - 50Hz | |
| Zambia | 230V - 50Hz | |
| Zimbabwe | 220V - 50Hz |