The assessment
How it scores, by category
Market position
The data
DC-coupled battery
Stores DC energy and relies on system power electronics outside the battery product for household AC.
- Product role
- The published battery record covers the storage stack, controller and stated capacity range.
- Published range
- 9.3–37.2 kWh
- Phase
- Not recorded
- Backup boundary
- Installation-specific
What the documents establish
Published evidence, source-reviewed non-disclosure and unresolved questions remain separate from the product score.
Usable capacity
100% of this battery’s nominal capacity is usable, 9.3 kWh in the scored configuration.9.3 kWh usableScored configuration: SMILE-G3-S5-INV with SMILE-G3-BAT-9.3S. Published range 9.3–37.2 kWh.
No reserve is withheld at the stated depth of discharge.
At a sourced 100% depth of discharge the usable and nominal figures are the same number, so no separate nominal capacity is stated.
Usable capacity sourceDepth-of-discharge sourceCapacity guarantee: minimum retained at year 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. Capacity figure based on the sourced usable capacity of the base configuration; modular systems scale with additional modules.
Verification & sources
Market context
Global evidencechange in the site menu
Global benchmark. This scorecard is benchmarked globally. A global score does not imply local availability, certification, warranty coverage, or installer compatibility.
Benchmark anchor. Capacity range describes supported configurations; the score remains anchored to the reviewed reference configuration, not the largest stack. Scored model: SMILE-G3-S5-INV with SMILE-G3-BAT-9.3S · checked 2026-08-01. Evidence.
Australian warranty decision
1 product record
Read the Australian warranty as a claim pathway: the headline term is separate from remedy, labour, freight, site work, transfer and registration conditions.
AlphaESS Smile G3 S5 BAT-9.3S · Home battery
Australian evidence checked 2026-08-02.
Covered3 sources
Australian warranty scope: The exact Australian datasheet publishes 10-year product and battery-performance warranties, governed by current AlphaESS Australia terms and Australian Consumer Law.
Structured claim terms: Recorded.
- Term
- 10 yr productStated in the structured comparison
- Product remedy
- CoveredRepair or replacement at AlphaESS's option.
- Labour
- Not coveredInstaller travel and on-site labour are excluded.
- Freight
- CoveredReplacement-parts freight is covered for an accepted claim.
- Removal and reinstallation
- Not coveredRemoval and reinstallation are not promised.
- Transferability
- ConditionalTransfers automatically with the building while the system remains installed; ownership evidence may be required.
- Registration and conditions
- ConditionalInitial serial registration and eligible installation are required.
Sources & references · checked 2026-08-02
Strong evidence coverage
17 of 17 scored criteria link directly to a published source.
Values marked estimated, derived, or not found remain visible on the audit sheet and do not carry the same evidential weight as a linked source. Coverage measures direct links, not an independent guarantee that a claim is correct.
- Sourced valuesData card →
- Warranty summary10-year product warranty →
Evidence timeline
Recorded verification events for this scorecard. These are evidence checks, not historical score snapshots.
- Australian certification source identity verified
- Core scorecard evidence checked
- AU market evidence checked
- Plain-language warranty summary checked
- Series benchmark evidence checked
Scored by Solar Analytica Research
Further reading from Signals
Stay across the benchmark.
New scorecards, score changes and market signals, published as they happen.
Our reading
Smile G3 S5 BAT-9.3S scores 62, placing 36 of 53 in the Performance & Value class against a class average of 64.4. Its strongest scoring dimension is capacity & usability (88), above the class average of 85. Guarantee & Backbone scores 43, the lowest pillar for this product. The class average on guarantee & backbone is 57. Key specifications: LFP, 5 kW continuous output.