EV low-voltage lithium battery replace (Tesla 2021+ / BYD / Polestar): how much does it cost?

Q: How much does ev low-voltage lithium battery replace (tesla 2021+ / byd / polestar) cost in New Zealand?

Typically NZ$560–NZ$1,290 including GST at a NZ$120 an hour workshop rate (A$540–A$1,250 in Australia at A$140 an hour).

Typically NZ$560–NZ$1,290 in New Zealand and A$540–A$1,250 in Australia, including GST. Electric cars.

	Parts (trade)	Labour	Sublet	Total incl GST
New Zealand	NZ$350–NZ$800	0.4–1 h	—	NZ$560–NZ$1,290
Australia	A$350–A$800	0.4–1 h	—	A$540–A$1,250

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

Tesla moved to a lithium low-voltage battery in 2021-22; aftermarket lithium units are about NZ$749-799 retail. Others are dealer parts. Check the DC-DC converter first.

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.