Quick answer
China runs on 220V at 50Hz with Type A, C, and I sockets — most wall sockets are hybrid and accept both flat (Type A) and round (Type C) pins. Phone, laptop, and camera chargers are dual-voltage and need only a physical adapter; 120V-only appliances such as US hair dryers must stay home or be replaced locally. I wired up my own gear across seven trips, most recently in 2026.
Why this matters in 2026
The voltage question used to be about survival; now it is about one label. Virtually every charger made in the last decade accepts 100–240V, so the real risks have narrowed to heat appliances (dryers, curling irons, kettles) and to travelers who assume "the plug fits, so it must be fine" — the plug fitting is exactly what Type A pins do at 220V, right up until a single-voltage device overheats. The rest is small logistics: which adapter to pack, where trains hide their outlets, and what to do when a hotel socket accepts your plug but grips it loosely.
Key facts at a glance
- Mains power: 220–230V, 50Hz nationwide
- Sockets: Type A (two flat pins), Type C (two round pins), Type I (three angled pins, high-power appliances); hybrid sockets accept A and C
- Dual-voltage rule: any charger labeled "Input: 100–240V" needs only a plug adapter — check the fine print on the brick
- Converter territory: 120V-only heat appliances and old single-voltage devices; a US hair dryer on 220V overheats or dies
- Trains: most G/D high-speed trains have 220V sockets at seats; older models offer USB only
- Adapter prices: CNY 5–15 on Taobao or convenience stores; CNY 30–60 at the airport
Step-by-step walkthrough
Step 1: Audit your chargers' labels
Look for "Input: 100–240V, 50/60Hz" on every phone, laptop, camera, and drone charger. That single line means adapter-only; anything listing a single voltage needs a converter or should be left behind.
Step 2: Pack one adapter per charging pair
One two-pin (Type A/C) adapter per two devices, or a single travel power strip that turns one Chinese socket into your home plugs. Universal adapters work; dedicated two-pin ones sit flusher in loose sockets.
Step 3: Leave 120V-only heat appliances home
US hair dryers and curling irons run hot, weak, or both on 220V — and converters are not rated for their wattage anyway. Use the hotel's dryer; every 3-star-and-up hotel provides one.
Step 4: Match three-pin bricks to Type I
Laptop power bricks with grounded three-prong plugs (UK, AU, or US-with-ground) need a Type I or universal adapter. Chinese hotel desks often provide a Type I socket beside the standard hybrid one.
Step 5: Find the outlets on trains
On G/D trains, look under the armrest, at the seat base, or on the table underside for 220V sockets; second-class seats on older trainsets may only offer USB. Board with devices topped up regardless.
Step 6: Handle loose sockets and tripped breakers
Older buildings have worn hybrid sockets — press plugs in firmly and avoid daisy-chaining adapters under high wattage. If an outlet cuts out, the room's breaker panel is usually beside the door; reset it before calling the desk.
Common scenarios and use cases
1. US traveler with standard gear
Phone, laptop, camera, and watch chargers are dual-voltage: one Type A/C adapter set covers everything. The hair dryer stays home; the hotel's works on local wiring.
2. EU traveler
Type C plugs slide directly into most Chinese sockets — pack a spare adapter for the hotel's Type I outlet and you may need nothing at all.
3. UK traveler
Type G plugs need an adapter everywhere; bring two, since British three-pin bricks are the one form factor Chinese sockets never accept.
4. Photographer or drone pilot with many batteries
Bring a multi-bay USB charger and a small power strip — one wall socket, everything charging overnight, no adapter juggling at 23:00.
Costs and pricing breakdown
- Two-pin Type A/C adapter: CNY 5–15 at Taobao, convenience stores, or hardware shops
- Universal travel adapter: CNY 40–80 at the airport; USD 15–30 at home
- Travel power strip with surge protection: CNY 60–120
- Local replacement charger (USB-C, branded): CNY 50–150
- Step-down converter: CNY 150+ — avoid; replacing the appliance is cheaper and safer
- Power bank (bought locally): CNY 80–200; airline battery rules still apply when flying
Pitfalls to avoid
- Plugging in a 120V-only dryer: on 220V it overheats in minutes — a burned appliance at best, a fire risk at worst.
- Trusting a snug fit as proof of compatibility: Type A pins physically fit at 220V; the label, not the socket, decides safety.
- Daisy-chaining cheap adapters: adapter-to-adapter stacks under high wattage are the classic hotel-room failure; use a power strip instead.
- Forgetting the 50Hz difference: harmless for chargers, but analog clocks and single-voltage motors run wrong on a different frequency.
- Buying adapters only at the airport: the CNY 60 airport price is triple the convenience-store one; buy before flying or at a city shop.
Alternatives and trade-offs
- USB-first packing: multi-port USB-C chargers and cables cover most modern gear from a single adapter.
- Hotel-provided appliances: hair dryers and kettles are standard from mid-range up — check the room before packing yours.
- Buy local on arrival: a Chinese-brand charger or adapter costs less than a converter and is made for the sockets.
- Power banks for day trips: charge overnight from the room, top up on the go; remember airline limits on battery size when flying out.
Local context and customs
Power in Chinese cities is reliable — blackouts are a rural memory — but bathroom "shaver only" outlets are 220V too, despite the low-wattage look. Train station waiting halls and even some intercity buses have USB ports now. In older guesthouses, loose hybrid sockets are the norm rather than a fault: seat plugs firmly, spread devices across outlets, and the room's electrical system will treat you as well as it treats locals.
Verifying current information
Standards and hotel fittings barely change, but verify anything load-bearing:
- IEC World Plugs guide: https://www.iec.ch/world-plugs — authoritative socket-type reference for China
- State Grid Corporation of China: https://www.sgcc.com.cn — national supply information
- Your device manual: the input-voltage label is the final authority per device
- Your hotel: socket photos on booking pages, or one email to the front desk
- China Railway 12306: https://www.12306.cn — trainset amenities for specific services
Putting it all together
Walk the packing checklist once: every charger labeled 100–240V, two Type A/C adapters plus one Type I, a short power strip for multi-device nights, and heat appliances left in the closet. Check the train's amenities when booking overnight routes. Do that, and the 220V question shrinks to what it is for most travelers — a five-minute label check — instead of a fried curling iron on night one.
FAQ
Do I need a voltage converter in China?
Almost certainly not. Any charger labeled 100–240V — which is nearly everything modern — needs only a plug adapter. Converters are for single-voltage heat appliances, which are better replaced than converted.
Can I use my US hair dryer in China?
A 120V-only dryer on 220V overheats and can fail dangerously. Dual-voltage travel dryers exist; otherwise use the one in the hotel room.
Will my iPhone, MacBook, and camera charge fine?
Yes. Their chargers accept 100–240V and 50/60Hz; a Type A/C adapter is all they need.
Do trains in China have power outlets?
Most G and D high-speed trains have 220V sockets at or near the seats; older trainsets may only have USB ports. Check the trainset type when booking.
Are Type G (UK) sockets found in China?
Rarely, in some international hotels' desks and bathrooms. UK-plug travelers should carry their own adapters rather than count on finding one.
Is the 50Hz frequency a problem?
Not for electronics with switching chargers. It matters only for analog clocks and simple single-voltage motors, which run slightly off-pace.
Is power reliable? Should I bring surge protection?
Urban supply is stable. A compact surge-protected power strip is cheap insurance for expensive gear, especially in older buildings.
Where is the cheapest place to buy an adapter?
Taobao or any convenience/hardware store at CNY 5–15. Airport prices run 3–4 times higher — buy in the city, not at the gate.