13.99–27.98 kWh · LFP · All-in-one · Single-phase
The verdict. In our Performance & Value class, AlphaESS Smile M5 leads on capacity & usability. Home-battery reliability is rarely independently verified, so judge on chemistry, safety certification and the backing company.
The assessment
How it scores, by category
Market position
The data
Capacity 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.
Blackout protection
68 / 100#23 of 50 batteriesWhole-home, seamless (<20ms)
The blackout score is a standalone benchmark of outage resilience only - it re-weights sourced specs already scored in this product’s pillars (backup tier, switchover, surge strength, backup power, off-grid recharge) and never affects the overall score. Dots show the full battery fleet; the marker is this product.
System decision
Only exact, manufacturer-named Australian paths are shown. A shared brand, product family or output rating is not proof of compatibility.
Confirmed pairing
The exact named integrated system is recorded as confirmed for Australia.
Backup: UPS backup is integrated into the named AlphaESS system; protected loads still require an installation-specific circuit design.
Configuration boundary: Use one to six 5 kWh modules or one to two 13.99 kWh modules; do not mix the two battery families.
A documented relation does not establish site sizing, network approval, protected-load design, firmware state or installer acceptance. When no exact relation is recorded, compatibility remains unestablished in this catalogue.
Ask the installer: What usable capacity, backup power and warranted operating conditions will the installed Smile M5 configuration deliver?
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. The score uses one current 13.99 kWh battery module, not the largest supported stack. Scored model: SMILE-M5-S-INV with one SMILE-M-BAT-13.9P · checked 2026-07-31. Evidence.
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 M5 13.99 kWh · Home battery
Australian evidence checked 2026-08-02.
Covered3 sources
Australian warranty scope: Australia; 10-year product and battery-performance warranty, 70% retained usable capacity and 3.12 MWh per kWh usable, subject to installation, operating and connectivity conditions.
Structured claim terms: Recorded.
Sources & references · checked 2026-08-02
Strong evidence coverage
21 of 21 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.
Evidence timeline
Recorded verification events for this scorecard. These are evidence checks, not historical score snapshots.
Scored by Solar Analytica Research
Further reading from Signals
New scorecards, score changes and market signals, published as they happen.
Our reading
Smile M5 scores 63, placing 26 of 41 in the Performance & Value class against a class average of 64.7. Its strongest scoring dimension is capacity & usability (90), above the class average of 86. Energy Ecosystem (52) is the dimension with the most room to move. Key specifications: LFP, 5.0 kW continuous output.