review.solar · Warranty summary
Powerwall 3 Expansion
13.5 kWh · Chemistry not disclosed · DC-coupled
Tesla
10-year product warrantyAustralia
Reviewed 2026-08-26 · Document Structured AU evidence v1
72/100
Very good
Guarantee & backbone
About this document
review.solar’s plain-language summary of the manufacturer’s warranty terms as at the review date. Not a legal instrument: verify current terms with the manufacturer before making a claim.
10yr
Warranty period
70%
Capacity at end of term
Parts only
Coverage

Capacity guarantee: minimum retained at year 10

60708090100Rated capacity 100%Guaranteed floor 70.0%70.0%0yr2yr4yr6yr8yr10yr
Rated capacity (reference)Guaranteed floor: 70.0% at yr 10

No year-by-year capacity schedule is published for this product - the manufacturer guarantees only this end-of-term minimum, not a specific decline curve.

The guarantee
  • Product warranty: 10 years
  • Capacity endpoint: 70%
  • Throughput condition
  • Degradation shape
  • Manufacturer remedy
  • Labour
  • Freight
  • + 1 more on page 2
What voids or limits it
  • Labour
  • Freight
  • Removal and reinstallation
How to claim
Start with the original installer or the manufacturer's Australian support channel. Full summary, conditions and sources: page 2.
Page 2 · Complete warranty summaryTesla Powerwall 3 Expansion 13.5 kWh
Warranty period
Product warranty: 10 years
The current Australian manufacturer terms provide a 10-year product warranty, subject to the registration, use and claim conditions shown below.
Capacity endpoint: 70%
The sourced performance terms publish 70% retained capacity at the applicable warranty endpoint.
Throughput condition
Unlimited cycles for standard solar use
Degradation shape
End-point only: minimum capacity at end of warranty term
What’s covered
Manufacturer remedy
Tesla may repair, replace with an equivalent product or refund the market price of an equivalent product.
Labour
The voluntary warranty does not promise unconditional site labour reimbursement.
Freight
Unconditional freight reimbursement is not stated.
Removal and reinstallation
Relocation without Tesla's written consent may void cover; removal and reinstallation reimbursement is not promised.
Exclusions
Labour: The voluntary warranty does not promise unconditional site labour reimbursement.
Freight: Unconditional freight reimbursement is not stated.
Removal and reinstallation: Relocation without Tesla's written consent may void cover; removal and reinstallation reimbursement is not promised.
Transferability
A subsequent owner may claim with proof of ownership; registration and the original installation location remain conditions.
How to make a claim
Start with the original installer or the manufacturer's Australian support channel. Registration and extended internet connectivity support the full ten-year voluntary warranty; otherwise Tesla states at least four years remains, subject to the other terms.
Source reference
DocumentCurrent exact-family Australian manufacturer warranty terms
Version at auditChecked 2026-08-26
Sourced byreview.solar, 2026-08-26

review.solar · complete warranty summary · review.solar/warranties/tesla-powerwall-3-expansion-au · © Solar Analytica 2026