Saint Helena → Papua New Guinea
Saint Helena plugs
Type GPapua New Guinea plugs
Type INo shared plug types. A travel adapter is required.
Compatibility: Adapter Required
Voltage — Saint Helena 230V — Papua New Guinea 240V
Voltage difference is small. Most electronics will work safely.
Device compatibility (phones)
Phones almost always support 100–240V, so yours should work safely. Check your charger label to confirm.
You likely only need a plug adapter (if socket shapes differ). Voltage is close between these countries.