China: voltage and plug adapters

Checked against official sources Β· Updated Β· About

At a glance

AI
Plug types A, IDepends on socket
hereJP
220VJapan: 100V
βœ… Products rated 100–240VLabeled β€œINPUT 100-240V” β†’ no transformer needed
⚠️ Products rated 100V onlyLabeled β€œINPUT 100V” only β†’ do not use it as is. More below

β€œINPUT” is printed on the label of the charger, AC adapter or the product itself. Plug drawings show the general shape only.

This is for traveling from Japan to China. The data is the IEC list (as of June 2025). Some places or buildings may use other types, so treat it as a guide.

1. Voltage, plug types and adapters

VoltageFrequencyPlug types
China220V50HzA, I
Japan (for comparison)100V50 / 60HzA, B

Depends on socket: China uses types A, I (per the IEC list). This includes type A, the same as Japan, but sockets differ by building. To fit type I sockets, use a plug adapter (I).

Source: IEC (International Electrotechnical Commission) World Plugs country list (as of June 2025). The IEC no longer publishes this list, so a copy is kept on this site (retrieved 2026-09-27)

PR Example plug adapter (Japanese online stores)
For the I sockets here (voltage is not converted)

ァンワァプラむ 桷倖電源倉換をダプタ TR-AD4W (Amazon.co.jp)
supports plugs A, B, BF, B3, C, SE, O, O2 and CB (the store's names), rated 6A 250V. It cannot convert voltage and cannot be used in Japan, the page says. Plug types at your destination that differ from Japan's (IEC list): I.

See it on Amazon

桷倖倉換プラグ A O BF C SE typeC USB 4γƒγƒΌγƒˆ (Rakuten Ichiba)
supports types A, O, BF, C and SE (the store's names), 100-240V. It does not convert voltage and cannot be used in Japan, the page says. Plug types at your destination that differ from Japan's (IEC list): I.
Illustration of the Oriental Pearl Tower

PR πŸ“– Get ready for China (Japanese online store)

Top picks like the Great Wall and the Forbidden City. Itineraries, a food guide and Chinese phrases, covering Beijing, Shanghai, Yunnan and Sichuan.

Lonely Planet China (17th edition) (Kindle edition) (Amazon.co.jp) Β· About Kindle guidebooks

Included in a Kindle+ (formerly Kindle Unlimited) membership (checked on the product page on 26 October 2026) β†’ About Kindle+ (Amazon.co.jp)

2. Electrical products from Japan

"INPUT" on the productResult
INPUT 100-240VVoltage: China uses 220V. Within the label (100–240V) β†’ no transformer needed
INPUT 100V onlyVoltage: China uses 220V. Outside the label (100V) β†’ do not use it as is. Use a product that supports the voltage in China, or use a transformer (check the transformer's manual for which products and wattage it supports)

Check the "INPUT" label on the charger, AC adapter or the product itself. For hair dryers and irons, see Taking a hair dryer or hair iron abroad; for plug shapes, see How to tell plug types A to N apart.

Source: IEC (International Electrotechnical Commission) World Plugs country list (as of June 2025). The IEC no longer publishes this list, so a copy is kept on this site (retrieved 2026-09-27)

4. Things to watch when entering China

Apart from what you can take on the plane, China has its own rules for what you bring in when you arrive. Only the points most relevant to travelers are listed here, based on the Ministry of Foreign Affairs of Japan's page.

Tap an item to see the rule.

Meat, fish, dairy products, eggs, fruit, vegetables, etc.

Bringing in animals, plants and their products is prohibited in principle (including unaccompanied baggage).

This includes meat and fish (not only from Japan) and their processed products, dairy products, eggs, mayonnaise, fruit and vegetables and their seeds and seedlings, animal carcasses and specimens, and soil

Cash

You can bring in foreign currency equivalent to up to US$5,000 plus 20,000 yuan without declaring. Declare to customs if you carry more

Prohibited items

Weapons, narcotics, and printed matter and storage media considered harmful to China's politics, economy, culture or morals. Take care with books and maps you bring on your trip, too.

According to the Ministry of Foreign Affairs of Japan's page, even books and publications that are common outside China may be confiscated by Chinese customs, and maps are mentioned in particular

Obscene books, images, etc.

Bringing them in or taking them out is punishable

Cameras, laptops, etc.

Items for your own use during your stay do not need to be declared. However, items worth 2,000 yuan or more that you do not plan to take out when you leave must be declared on a customs declaration form when you enter

Prescription medicines

Must be declared to customs. Limited to a reasonable quantity for personal use; show the prescription, dosage, medical certificate, etc. (in English) and customs will decide whether they can be brought in

There are also strict rules on taking things out of China, such as antiques and other valuable cultural relics and rare endangered plants and animals (including specimens) (per the Ministry of Foreign Affairs of Japan's page). Duty-free amounts of alcohol and tobacco are not listed here.

Rules can change, so check the latest information from the Embassy of Japan in China, Chinese customs and others before you go. For the duty-free allowance when you return to Japan, see Duty-free allowance when returning to Japan.

Source

Source: Ministry of Foreign Affairs of Japan, Overseas Safety website: "People's Republic of China: basic safety information", section on visas and immigration (last updated April 23, 2025) [in Japanese] (retrieved 2026-09-28)

Handy to have before you go

PR Example travel bottles (Japanese online stores)
For liquids in the cabin on international flights: containers of 100ml or less

貝印 γ‚½γƒ•γƒˆγƒœγƒˆγƒ« 60ml (Amazon.co.jp)
capacity 60ml, 1 bottle, polyethylene and polypropylene.

See it on Amazon

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