The hosts won the second match at Christchurch by eight wickets to take an unassailable 2-0 series lead.
Martin Guptill starred for the hosts once again, smashing his second consecutive century to help his side easily chase down their target of 227.
The third and final ODI will be played in Dunedin on Wednesday.

Daniil Medvedev handed Dubai title after Griekspoor withdrawal
England beat New Zealand to keep Pakistan's T20 World Cup hopes alive
Medvedev to face Griekspoor in bid for second Dubai title
Real Madrid face Man City again in Champions League knockouts
India defeat Zimbabwe to revive T20 World Cup hopes