When traveling to Japan, can domestic chargers be used universally?

A three-terminal terminal block is not acceptable, but two chargers are acceptable.

The wiring board in China is rated at 220v, and the power socket in Japan is rated at110v. You need to buy a converter. The converter is directly plugged into the power socket, then plugged into the wiring board, and then other charging devices are directly plugged into the wiring board. In fact, it can't be used because the plugs are inconsistent, and many three-head chargers don't match the sockets of Japanese sockets, so if the charger is double-headed, it can be used directly, and the three-head charger needs a converter.

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