Understanding Japanese Electrical Standards

Before importing electronics from Japan, it's crucial to understand the differences in electrical standards between Japan and your country.

Japan's Electrical System

  • Voltage: 100V (lowest in the world)
  • Frequency: 50Hz (East Japan) / 60Hz (West Japan)
  • Plug Type: Type A (2-pin ungrounded)

Voltage Comparison by Country

  • Japan: 100V
  • USA/Canada: 120V
  • UK/Europe: 220-240V
  • Australia: 230V

Compatibility Solutions

Multi-Voltage Devices

Many modern electronics support 100-240V input (check the label). These work worldwide with just a plug adapter.

Step-Down Transformers

For 100V-only devices, use a step-down transformer to convert your local voltage to 100V.

What to Check

  • Input voltage range on the device label
  • Power consumption (watts)
  • Frequency requirements

Product Categories

Usually Multi-Voltage:

  • Laptops and chargers
  • Smartphones and tablets
  • Camera chargers
  • Gaming consoles (newer models)

Usually Japan-Only (100V):

  • Rice cookers
  • Air conditioners
  • Refrigerators
  • Older appliances
  • Hair dryers

Japan Convoy's Quality Check

All electronics sold through our marketplace include:

  • Voltage specification in listing
  • Functionality testing
  • Condition grading
  • Proper packaging for shipping