Mains electricity in New Zealand is 230 V at 50 Hz.
Will a WisdomUp charger work in New Zealand?
Yes. WisdomUp wall chargers take AC 100–240V. Neither WisdomUp plug fits Type I sockets, so use a travel adapter with a WisdomUp charger — or charge from a WisdomUp power bank or car charger.
Do I need a voltage converter in New Zealand?
Not for a phone charger rated 100–240V, like every WisdomUp wall charger. Check the label on any other device.