Travel Power Blog
Learn how plug types, voltage, and frequency affect your devices. Get simple, trusted advice from the makers of Global Plugs.
Tip: try words like voltage, frequency, adapter, converter
A universal travel adapter is the most common piece of travel gear and the easiest to get wrong. Here is what actually matters when buying one, plus the red flags that mark a dangerous fake.
Canada uses the same Type A and B plugs as the US at the same 120 V voltage. American travelers need nothing. Everyone else needs one simple Europe-to-US adapter.
Dual voltage means a device handles both 100-120 V mains and 220-240 V mains without modification. Here is how it actually works, how to verify it on every charger, and which devices are almost never dual voltage.
Chinese hotel sockets accept three plug types in one body. Most travelers can rely on hybrid sockets, but voltage requires care. Here is what to pack from the US, UK, EU, or Asia.
Lithium-ion power banks have to fly carry-on, not checked, and they have a 100 Wh capacity limit. Here are the actual rules, the math to check your power bank, and what each major airline allows.
Brazil uses the Type N plug, designed in 1986 and adopted nationally in 2007. Most universal adapters skip it. Plus the voltage varies by state in a way no other country matches.
Type A is the simplest mains plug in mass production: two flat parallel pins, no earth, dating to 1904. Here is the design, the history, and where Type A is dominant today.
The UAE uses Type G plugs, the same as the UK, with 230 V mains and famously stable power. UK and Irish travelers need nothing. Everyone else needs one Type G adapter.
The smoke, the smell, the silence. Plugging a 120 V device into 230 V mains usually means damage; here is what's recoverable, what isn't, and how to avoid the same mistake on the next trip.
Singapore uses the same Type G plug as the UK and at the same 230 V voltage. UK and Irish travelers need nothing; everyone else needs one simple adapter.
The Schuko plug, designed in Germany in 1925, became the de facto standard for continental Europe. Here is the design history, the safety features, and where Schuko fits and doesn't.
Turkey uses standard European Schuko sockets that accept Europlugs. Travelers from the EU often don't need anything; everyone else needs one simple Europe-style adapter.
Working from co-working spaces in Lisbon one month and a beachfront cafe in Bali the next puts unusual demands on travel power gear. Here is the setup that survives a year on the road.
Vietnam has three plug types in active circulation depending on the building age. Most hotel sockets accept all of them. Here is what to pack from the US, UK, EU, or Asia.
Most of the world runs at 50 Hz. The Americas and a few other countries run at 60 Hz. For modern electronics the difference is invisible, but it matters more than people realize for older appliances and motor-driven gear.
Greece runs on standard European Schuko sockets across the mainland and most islands. The few exceptions are older island accommodations and ferry charging points.
A family of four travels with 6+ devices and one hotel room that has two outlets in awkward places. Here is the kit that keeps everything charged without anyone fighting over the bedside socket.
Portugal uses the same Type F Schuko sockets as Spain and most of continental Europe. The only quirk to know about is the Azores islands. Here is what to pack.
Switzerland uses its own plug standard, Type J, that fits almost nowhere else and accepts almost nothing else. Here is why the Swiss did this and how to travel through Zurich without scrambling for an adapter.
South Africa uses the unusually large Type M plug, which most universal travel adapters don't cover. Here is what every traveler needs to know before flying.
Three of the most-bought universal travel adapter brands compared on the things that matter: USB-C wattage, plug coverage, build quality, and what they actually deliver under load.
Type I is the V-shaped angled-pin plug used across Oceania, parts of South America, and China. Same basic design, three different national variants, slight differences that matter for cross-border travel.
New Zealand uses the same Type I plug as Australia at 230 V. Australian travelers need nothing. Everyone else needs one Type I adapter for the whole country.
A warm charger is normal. A hot charger is concerning. Here is the line between expected operating heat and a charger that's about to fail.
Saudi Arabia is one of the few countries where the plug type depends on the building age. Newer hotels have UK Type G; older accommodations still have US Type A or B. Voltage also varies.
The French Type E plug is the only major design where the earth pin sticks out of the wall socket instead of the plug. Here is the engineering rationale and how it cross-compatibilities work.
Hong Kong uses UK Type G plugs and 220 V mains, a legacy of British colonial standards. UK travelers need nothing. Everyone else needs one Type G adapter.
USB-C Power Delivery is the standard that lets one cable charge a laptop, a phone, and an iPad at different wattages. Here is how the wattage levels work and which one you actually need.
Indonesia uses Type C Europlugs and Type F Schuko sockets across most of the country. Bali resort outlets sometimes accept US plugs too. Voltage is the bigger concern.
Studying abroad for a semester or full year puts unusual demands on travel power gear. You need durability, multi-device capacity, and protection against dorm-room electrical quirks.
Italy is one of the few European countries with a homegrown plug standard. Type L has three round pins in a line, comes in two sizes, and is being slowly replaced by hybrid Schuko sockets.
The Netherlands uses Schuko sockets and 230 V mains, exactly like Germany next door. EU travelers usually need nothing. US and UK travelers need one simple adapter.
GaN chargers are 30-50% smaller and 20-30% lighter than traditional silicon chargers at the same wattage. For travelers carrying a laptop and three other devices, the savings add up.
South Korea uses Schuko-style sockets that accept Europlugs at 220 V. Travelers from the EU often don't need anything; US travelers need a voltage check on every device.
Type B is the grounded version of the Type A plug: two flat pins plus a round earth pin. Here is how it differs from Type A and where you'll find it.
Ireland uses Type G plugs, the same as the UK, at 230 V. UK travelers need nothing. Everyone else needs one Type G adapter for the whole country.
Every charger label has three numbers: voltage, amperage, and wattage. Knowing what each one means saves you from blown devices and slow charging.
From opening UK plugs with pens to forcing mismatched adapters, here are some risky tricks travellers swear by and why you shouldn’t try them.
Voltage is not the only thing to check before you travel. Frequency differences can also damage or impair your devices.
A look back at how different countries ended up with their own plug shapes, voltages, and electrical standards.
A socket that accepts your plug is not always safe. Learn why voltage matters and how to avoid costly mistakes on your next trip.
Planning a trip soon? Check your plug and power compatibility in seconds at globalplugs.com.