Compare the plug shapes, voltage and frequency in Hong Kong and Benin, and find out which adapter you need before you travel.
Adapter required
Yes — coming from Hong Kong, you will need a travel adapter for Benin. Hong Kong uses Type G plugs, and Benin uses Type C/Type E, so the pin shapes will not fit any wall socket.
Hong Kong (home)
Benin (destination)
Electrical specifications in Benin
Voltage
Frequency
More about plugs in Benin
In Benin, the standard power plug is Type C and Type E. The country runs on 230 volts at 50 Hz. That means wall sockets in Benin can be one of 2 different shapes — Type C, Type E, and your plug needs to physically match the socket to fit.
Full Benin plug guide