How much does ev 12 v battery replace (kona / ioniq / mg / older tesla, agm) cost in New Zealand?

Typically NZ$330–NZ$710 including GST at a NZ$120 an hour workshop rate (A$320–A$680 in Australia at A$140 an hour).

EV 12 V battery replace (Kona / Ioniq / MG / older Tesla, AGM): how much does it cost?

Typically NZ$330–NZ$710 in New Zealand and A$320–A$680 in Australia, including GST. Electric cars.

	Parts (trade)	Labour	Sublet	Total incl GST
New Zealand	NZ$200–NZ$400	0.3–1 h	—	NZ$330–NZ$710
Australia	A$200–A$380	0.3–1 h	—	A$320–A$680

Totals use a standard workshop rate of NZ$120 or A$140 an hour and a 25% parts markup, plus GST. Your workshop's rate and parts prices will differ.

What affects the price

AGM sizes. On older Tesla models the frunk trim or cowl comes off first. Some cars need the battery registered or the system reset afterwards.

Other hybrid and ev repairs

Hybrid battery reconditioned exchange (Aqua / Prius C / Axio / Fielder)NZ$1,360–NZ$2,430
Hybrid battery reconditioned exchange (Prius 20 / 30 / Prius alpha / Prius V)NZ$1,640–NZ$2,790
Hybrid battery reconditioned exchange (Camry / Estima / Lexus / RAV4)NZ$2,140–NZ$4,150
Hybrid battery new aftermarket (Aqua / Prius C)NZ$2,080–NZ$3,010
Hybrid battery new aftermarket (Prius 30 / Prius alpha / Corolla hybrid)NZ$2,510–NZ$4,080
Hybrid battery new genuine Toyota (Aqua / Prius / Corolla)NZ$3,080–NZ$5,090
Hybrid battery new genuine (Camry / RAV4 / Kluger / Lexus)NZ$5,310–NZ$10,550
Hybrid battery module replace and rebalance (repair, not pack swap)NZ$640–NZ$1,560
Hybrid battery health test (scan and load test)NZ$70–NZ$170
Hybrid battery cooling fan and duct clean (Prius / Aqua / Corolla)NZ$100–NZ$240

Researched by Credov in October 2026 from NZ and Australian parts suppliers and workshop price guides. Typical ranges, not quotes: ask a workshop for a quote before you rely on a price. All repair costs.