Warranty evidence
Know the confirmed battery warranty terms.
We show only terms backed by a recorded source. If a model is not in our verified catalogue, we say so plainly.
Manufacturer terms
Battery warranty checker
In this section
- Tesla battery warrantyTesla's Australian high-voltage battery warranty terms, capacity floor and variant-specific distance limits.Verified 2026-09-13
- BYD battery warrantyBYD guarantees at least 70% battery capacity retention for 8 years or 160,000 km across its Australian EV and plug-in hybrid range, backdated to cars sold since August 2022, and it transfers between owners.Verified 2026-09-13
- MG battery warrantyMG covers its high-voltage battery for 7 years or 150,000 km in Australia — but publishes no minimum capacity percentage at all. Here is what that means for an MG4, ZS EV or S5 EV owner.Verified 2026-09-13
- Polestar battery warrantyPolestar guarantees repair or replacement if battery State of Health drops below 70% within 8 years or 160,000 km, and the warranty transfers with the car. Verified from Polestar Australia.Verified 2026-09-13
- Hyundai battery warrantyHyundai covers the high-voltage battery for 8 years or 160,000 km across IONIQ 5, IONIQ 6, Kona Electric and Inster — but publishes no minimum capacity percentage. What that means for buyers.Verified 2026-09-13
- Kia battery warrantyKia guarantees 70% battery capacity in Australia, but the term steps up from 7 years/150,000 km to 8 years/160,000 km at model year 2027 — and the EV4 is treated separately.Verified 2026-09-13
- Nissan battery warrantyNissan covers the LEAF and ARIYA battery for 8 years or 160,000 km, but its capacity guarantee is expressed as nine bars on the dashboard gauge — not a percentage. Here is what that means.Verified 2026-09-13
- Toyota battery warrantyToyota covers hybrid traction batteries for 5 years, extendable to 10 with annual health checks — but capacity degradation is expressly excluded. The bZ4X gets a separate 70% guarantee.Verified 2026-09-13
- Lexus battery warrantyLexus covers the RZ battery capacity to 70% for 8 years or 160,000 km, but hybrid traction batteries are covered for defects only — degradation is expressly excluded.Verified 2026-09-13
- Volvo battery warrantyVolvo's battery page promises repair below 70% State of Health. Volvo's warranty page publishes no percentage and excludes gradual capacity loss. Both are official. Here is what to do.Verified 2026-09-13
- BMW battery warrantyBMW covers its EV batteries for 8 years or 160,000 km in Australia, but the only capacity language is "excessive capacity loss" — a phrase BMW never defines. PHEVs get much less.Verified 2026-09-13
- Mini battery warrantyMini covers its electric models for 8 years but caps the distance at 100,000 km — 60,000 km less than parent company BMW, and the shortest battery distance limit of any brand we track.Verified 2026-09-13
- Mercedes-Benz battery warrantyMercedes-Benz covers most EQ models for 8 years or 160,000 km, but the EQE and EQS get 10 years and 250,000 km — the longest battery warranty of any brand sold in Australia.Verified 2026-09-13
- Volkswagen battery warrantyVolkswagen guarantees 78% at 3 years, 74% at 5 years and 70% at 8 years on its EVs — the most specific battery capacity guarantee any manufacturer publishes in Australia. PHEVs get none.Verified 2026-09-13
- Cupra battery warrantyCupra's Born and Tavascan carry the same stepped 78/74/70% capacity guarantee as Volkswagen's EVs. Cupra plug-in hybrids carry no capacity guarantee at all.Verified 2026-09-13
- GWM battery warrantyGWM covers the Ora and its hybrids for 8 years with unlimited kilometres for private use and a 70% State of Health floor — the longest distance term of any brand sold in Australia.Verified 2026-09-13
- Subaru battery warrantySubaru covers the high-voltage battery in its hybrids and EVs for 8 years or 160,000 km — three years longer than its vehicle warranty — with no published capacity floor. Every term, sourced.Verified 2026-09-15
- Honda battery warrantyHonda Australia's warranty terms contain no hybrid battery clause. The e:HEV pack is covered under the vehicle warranty — 5 years unlimited km, or a promotional 8 years on some build years. What that means.Verified 2026-09-15