Reviewed 2026-08-07 · Document Structured AU evidence v1
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
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
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.
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
2.5-5 MWh warranted per kWh usable
Degradation shape
End-point only: minimum capacity at end of warranty term
What’s covered
Manufacturer remedy
Shenzhen BYD Electronics Co., Ltd. may repair, replace with an equivalent new or previously used part, or provide a partial refund.
Labour
The warranty does not promise independent installation labour, travel, removal or reinstallation reimbursement.
Freight
Ordinary claim freight is not an unconditional entitlement. BYD pays reasonable disposal cost only when it requires disposal of a replaced item.
Removal and reinstallation
Removal and reinstallation are not promised.
Exclusions
Freight: Ordinary claim freight is not an unconditional entitlement. BYD pays reasonable disposal cost only when it requires disposal of a replaced item.
Removal and reinstallation: Removal and reinstallation are not promised.
Transferability
Coverage extends to a subsequent owner who acquires the installed product for their own use and provides proof of ownership.
How to make a claim
Start with the original installer or the manufacturer's Australian support channel. Invoice and system details are required, defects must be notified within 30 days, and performance data must be made available over the internet on request after a claim.
Source reference
DocumentCurrent exact-family Australian manufacturer warranty terms