Solomon Islands → New Zealand
Solomon Islands plugs
Type INew Zealand plugs
Type IShared plug type: I
Compatibility: Compatible
Voltage — Solomon Islands 230V — New Zealand 230V
Voltage is the same. Your devices should work normally.
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.