Cook Islands → Thailand
Cook Islands plugs
Type IThailand plugs
Type A
Type B
Type C
Type ONo shared plug types. A travel adapter is required.
Compatibility: Adapter Required
Voltage — Cook Islands 240V — Thailand 220V
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.