Compare like with like. Aligned scores, specifications and local evidence within one scoring class or tier.
Market context
Australia purchasing view
Sungrow | SG5.0RS-ADA / SG8.0RS / SG10RS (single-phase string); scored model SG10RS
70/ 100
Strong evidence coverage · 100%
Evidence checked 2026-09-02
Available in Australia · checked 2026-10-07
Buyer evidence: Ready (100% direct coverage).
FoxESS | H3-Pro-15.0 (15 kW model in the H3-Pro 15-30 kW range)
75/ 100
Strong evidence coverage · 100%
Evidence checked 2026-08-30
Available in Australia · checked 2026-10-07
Buyer evidence: Ready (100% direct coverage).
Full scorecardmarks the better value on rows where a higher number is better. Temperature coefficient counts as higher when it is closer to zero. Size measures such as rated power carry no marker, because a larger product is a different choice rather than a better one.
| Measure | SG RS | H3-Pro |
|---|---|---|
| Efficiency | ||
| Design & Flexibility | ||
| Thermal & Physical Resilience | ||
| Features & Integration | ||
| Safety & Compliance | ||
| Guarantee & Backbone | ||
| Energy Ecosystem |
marks the better value on rows where a higher number is better. Temperature coefficient counts as higher when it is closer to zero. Size measures such as rated power carry no marker, because a larger product is a different choice rather than a better one.
| Measure | SG RS | H3-Pro |
|---|---|---|
| Architecture | Solar-only string inverter | Hybrid inverter |
| Published maximum AC output range | 5–10 kW | Not stated |
| Scored benchmark | 10 kW | 15 kW |
| Power | 10.0 kW | 15.0 kW |
| Type | String | Hybrid |
| Peak eff | 97.8 % (better value on this row) | 97.2 % |
| MPPTs | 3 | 3 |
| Published rated AC power range | Not stated | 15–30 kW |
| Evidence | SG RS | H3-Pro |
|---|---|---|
| Outcome | Available in Australia | Available in Australia |
| Checked | 2026-10-07 | 2026-10-07 |
| Certifications | The exact Australian datasheet publishes IEC 62109 and AS/NZS 4777.2 compliance. | The CER approved inverter list, last modified 2 October 2026 and read on 7 October 2026, lists exact H3-Pro-15.0 (AS4777-2 2020) at 15 kW, approved 21 January 2026 and expiring 21 January 2029., The current Australian datasheet and manual identify H3-Pro-15.0 as a three-phase storage inverter. |
| Warranty scope | Australia; Sungrow's current warranty page lists the SG5.0RS-ADA, SG8.0RS, SG9.0RS and SG10RS under its 10-year standard inverter warranty for units originally sold in Australia and manufactured and installed from 1 April 2020. The term runs ten years from installation but no more than eleven years from the manufacturing date, whichever comes first, in Australia only. | The Australian and New Zealand warranty policy, Version 4.0 dated 1 April 2026, expressly names H3-Pro-15.0. The standard term is 120 months from installation, capped at 132 months after manufacture. Conditional service-rebate and transport provisions do not establish unrestricted labour or freight cover. |
| Warranty remedy | Repair or replacement for an approved claim. | FoxESS may repair onsite or at a service centre, or replace with the closest current product. |
| Labour and reinstallation | The installer may be eligible for a service rebate when a returned unit is found defective on Sungrow's testing and inspection. Sungrow's current AU rebate table lists $180 AUD excluding GST for the row covering 1-phase non-hybrid inverters and 3-phase inverters between 5 kW and 10 kW, with rates effective 1 July 2026 to 30 June 2027 ($150 AUD for RMAs preceding RMA30450), and the rebate must be lodged within 6 months after the warranty case is approved. The warranty itself does not cover travel and subsistence expenses or on-site installation, modification and maintenance costs. Approved service labour is supported through the published rebate. | An installer service rebate may be approved, but its amount and eligible work are not stated; travel, onsite installation, modification and maintenance are excluded. Unrestricted removal and reinstallation cover is not stated. |
| Freight | Sungrow covers outbound and inbound standard ground transport up to a total of $200; costs above that, and any other transport mode the claimant requests, are borne by the claimant. | Eligible road transport to one specified address may be provided; express and onward shipping are excluded. |
| Transfer and registration | The standard and extended warranties are transferable, but the original proof of purchase is required. Sungrow offers online warranty registration for products purchased and installed in Australia or New Zealand, listing confirmation of ownership and more efficient warranty service as benefits; the warranty terms do not state registration as a claim condition, and a claim needs a document showing proof of purchase or the date of installation. Parts-only or standard warranty extensions are sold separately; the terms allow purchase up to the end of the standard warranty period, while Sungrow's extension page states purchase within 1 year after installation. | No automatic subsequent-owner transfer right is stated. Version 4.0 prints no separate registration section. The FoxPlus clause applies if the product is registered on the FoxESS website within 36 months of manufacture, and cross-refers to section 8, which in this version is the claim process. No registration condition is stated for the 120-month standard term. |
| Grid/network approval evidence | Single-phase 230/240 V Australian string-inverter family with AS/NZS 4777.2 compliance. | Three-phase Australian identity. CER product listing does not establish DNSP, site, export-limit, installation or commissioning approval. |
| Local product pathway | No separate local pathway recorded | No separate local pathway recorded |
| Buyer evidence | Ready (100% direct coverage): Local availability, buyer evidence, and the publication threshold are confirmed. | Ready (100% direct coverage): Local availability, buyer evidence, and the publication threshold are confirmed. |
| Safety notice | No model-specific notice recorded | No model-specific notice recorded |
| Review note | Sungrow Australia publishes the exact SG RS family and local warranty. The exact SG10RS manual (Ver22, June 2025) specifies the WiNet-S communication module and connects the inverter to iSolarCloud. Sungrow's inverter communication protocol (V1.1.80, 27 March 2026) lists the overseas SG10RS and documents RS485 Modbus RTU and optional Ethernet Modbus TCP through WiNet-S, WiNet-S2 or Logger1000, excluding iHomeManager and other modules. The WiNet-S/S2 safety manual (Ver14, April 2026) documents third-party Modbus TCP access, with port 502 disabled by default and SSL port 516 enabled by default. Sungrow's iSolarCloud Developer Portal offers monitoring APIs after developer and application approval, with plant authorization and package limits. These routes do not establish a local REST API, SunSpec certification, support for every register or command, or compatibility with the firmware on an installed unit. Confirm the exact inverter, module revision, firmware and supported interface scope with the supplier. | FoxESS Australia publishes the exact product family and support materials. External switching and battery requirements remain outside this independent inverter record. |
| Register: parts term | Not in the structured register | stated: The exact H3-Pro family receives 120 months from installation, no later than 132 months after manufacture, whichever occurs first. |
| Register: labour and service | Not in the structured register | conditional: FoxESS may repair onsite or at a service centre, replace the product, and approve an installer service rebate. The rebate amount and eligible work are not stated, while travel, onsite installation, modification and maintenance are excluded. |
| Register: transport and freight | Not in the structured register | conditional: Eligible road transport to one specified address may be provided. Express freight and onward shipping are excluded. |
| Register: registration | Not in the structured register | conditional: Registration is recommended for the standard term and required for FoxPlus. The policy's FoxPlus wording also refers to a 72-month standard period, which conflicts with the exact 120-month H3-Pro table. |
| Register: transferability | Not in the structured register | not stated: The policy defines purchaser, installer and end-user roles but does not state an automatic subsequent-owner transfer right. |
| Register: explicit unknowns | Not in the structured register | 4 retained |
| Latest reviewed Approval Watch event | No exact-identity event in reviewed history | No exact-identity event in reviewed history |
| Sources | Source 1Source 2Source 3Source 4Source 5Source 6Source 7Source 8Source 9 | Source 1Source 2Source 3Source 4Source 5Source 6Source 7 |
These checks sit beside the benchmark score. They are site, tariff and contract questions that no product score can settle.
Ask for every model number to appear on the quote and order. The Clean Energy Council product lists are live: STC creation requires listed products at installation, and network requirements may also depend on current approval.
Have the retailer state the supply phase, inverter connection limit, export limit and any export-control cost. The local network connection agreement, not a generic datasheet, determines those settings. See the Australian Government's connection guidance.
Ask which bills or interval data, tariff, feed-in rate, export limit and future loads support the savings and payback claim. Self-consumed electricity and tariff timing usually matter more than a headline feed-in rate. See the system sizing and battery savings guidance.
Confirm the proposed inverter phase, PV input design, battery pairing and export-control configuration against the final connection agreement. A suitable product can still require a different site design or control setting.
Keep the retailer, installer, manufacturer warranty and escalation path in the contract. Australian Consumer Law guarantees apply separately from any manufacturer warranty; where one business supplied both product and installation, it is generally responsible for the remedy. See the ACCC guidance.
A score lead is only meaningful inside this shared class or tier. Weigh it against the specification and evidence rows above before deciding.
Both products are scored in the Value & Volume class, on the same rubric weighting. Scores are not comparable across classes or tiers. Full methodology.