Tonga → Rwanda
Tonga plugs
Type IRwanda plugs
Type C
Type E
Type F
Type GNo shared plug types. A travel adapter is required.
Compatibility: Adapter Required
Voltage — Tonga 240V — Rwanda 230V
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.