Reviewed 2026-08-07 · Document Structured AU evidence v1
Limited
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
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 summaryGoodWe ESA G20 8 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
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
Repair, replacement or equivalent hardware at GoodWe's option.
Labour
Service rebates are conditional and do not establish full labour cover.
Freight
Transport support is conditional and capped.
Removal and reinstallation
Removal and reinstallation are not an unconditional entitlement.
Exclusions
Labour: Service rebates are conditional and do not establish full labour cover.
Freight: Transport support is conditional and capped.
Removal and reinstallation: Removal and reinstallation are not an unconditional entitlement.
Transferability
No subsequent-owner transfer right was found in the governing terms.
How to make a claim
Start with the original installer or the manufacturer's Australian support channel. Authorised supply, installation and monitoring conditions apply.
Source reference
DocumentCurrent exact-family Australian manufacturer warranty terms