Compare like with like. Aligned scores, specifications and local evidence within one scoring class or tier.
Market context
Australia purchasing view
FoxESS | EQ5500-L2 through EQ5500-L9; scored reference EQ5500-L2
64/ 100
Strong evidence coverage · 100%
Evidence checked 2026-09-04
Available in Australia · checked 2026-08-27
Buyer evidence: Ready (100% direct coverage).
AlphaESS | SMILE-G3-S5 with one SMILE-G3-BAT-10.1P; 9.6 kWh usable reference, 1-6 modules
67/ 100
Strong evidence coverage · 100%
Evidence checked 2026-09-01
Available in Australia · checked 2026-08-29
Buyer evidence: Ready (100% direct coverage).
| Measure | EQ5500 High-Voltage Stack | Smile G3 S5 / BAT-10.1P |
|---|---|---|
| Capacity & Usability | ||
| Power & Efficiency | ||
| Longevity (verified) | ||
| Safety & Chemistry | ||
| Guarantee & Backbone | ||
| Energy Ecosystem |
| Measure | EQ5500 High-Voltage Stack | Smile G3 S5 / BAT-10.1P |
|---|---|---|
| Architecture | DC-coupled battery | All-in-one energy system |
| Published usable capacity range | 10.92–49.14 kWh | 9.6–57.6 kWh |
| Scored benchmark | 10.92 kWh | 9.6 kWh |
| Chemistry | LFP | LFP |
| Power | 4.48 kW | 5 kW |
| Round-trip | 95 % | Not recorded |
| Cycle life | Not recorded | Not recorded |
| Evidence | EQ5500 High-Voltage Stack | Smile G3 S5 / BAT-10.1P |
|---|---|---|
| Outcome | Available in Australia | Available in Australia |
| Checked | 2026-08-27 | 2026-08-29 |
| Certifications | The current regulator snapshot lists EQ5500-L2 through EQ5500-L9, approved 16 June 2026 and expiring 31 December 2027., The exact datasheet lists IEC 62619 and UN 38.3. | The exact BAT-10.1P datasheet lists IEC 62619, IEC 63056, IEC 62040 and UN 38.3; the SMILE-G3-S5 AU system datasheet lists AS 4777.2 and IEC 62109. |
| Warranty scope | Australia and New Zealand; FoxESS battery warranty V2.7 names EQ5500-L2 through L9 for 120 months, capped at 125 months from manufacture, with model-specific throughput and 70% retained capacity. | Australia; the 11 October 2024 warranty names SMILE-G3-S5 and BAT-10.1P with a ten-year term, 70% retained capacity and a 3.12 MWh/kWh throughput condition for eligible installations from 1 November 2024. |
| Warranty remedy | FoxESS may repair, replace, refund or compensate at its option. | Repair or replacement at AlphaESS's option. |
| Labour and reinstallation | End-user labour cover is not promised as an unconditional entitlement. Removal and reinstallation are not promised. | Installer travel and on-site labour are excluded. Removal and reinstallation are not promised. |
| Freight | Transport cover is conditional rather than a full-term entitlement. | Replacement-parts freight is covered for an accepted claim. |
| Transfer and registration | No subsequent-owner transfer right was found in the reviewed warranty. Product registration and connectivity at commissioning are required under the governing terms. | The warranty is non-transferable except where the products remain installed in a building, in which case it transfers to a later purchaser of that building. Serial registration before a claim, and installation by an SAA-accredited installer with a valid Alpha Installer ID, are required. |
| Grid/network approval evidence | The exact family is a high-voltage DC battery with current Australian battery-list entries. Inverter selection, DNSP settings and system acceptance remain separate installation decisions. | The exact AU system is a 5 kW, 230 V single-phase hybrid under AS 4777.2. Current project approval and installer eligibility remain installation-specific. |
| 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 | The score uses the 10.92 kWh EQ5500-L2 reference stack. The family expands in 5.46 kWh modules to 49.14 kWh; larger stacks do not receive a capacity-size score advantage. | AlphaESS's current 2026 Australian brochure lists SMILE-G3-S5/B5 with both BAT-10.1P and BAT-9.3S. The battery options coexist; neither is presented as the formal successor to the other. |
| Register: parts term | Not in the structured register | Not in the structured register |
| Register: labour and service | Not in the structured register | Not in the structured register |
| Register: transport and freight | Not in the structured register | Not in the structured register |
| Register: registration | Not in the structured register | Not in the structured register |
| Register: transferability | Not in the structured register | Not in the structured register |
| Register: explicit unknowns | Not in the structured register | Not in the structured register |
| 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 7 | Source 1Source 2Source 3Source 4Source 5 |
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.
Define the usable energy, output power, backed-up circuits and outage behaviour. Confirm whether VPP participation, an internet connection, or an additional controller changes the configuration, reserve level, warranty or support path.
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 Performance & Value class, on the same rubric weighting. Scores are not comparable across classes or tiers. Full methodology.