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Product specifications, pricing, and availability are subject to change without notice. We make no warranties regarding product performance, longevity, or suitability for your specific needs.
Always verify specifications with the manufacturer and installer before purchase. Warranty terms are set by manufacturers and may have conditions not disclosed here. Battery performance degrades over time.
SMILE-G3 series
Alpha ESS SMILE-G3 — 5 CEC-listed configurations from 9.6–47.9 kWh usable capacity.
5 CEC-resolvable configurations.
| Usable capacity | Power | Weight | |
|---|---|---|---|
| 9.6 kWh | — | — | Full specs |
| 19.2 kWhClosest fit to WA rebate cap | — | — | Full specs |
| 28.7 kWh | — | — | Full specs |
| 38.3 kWh | — | — | Full specs |
| 47.9 kWh | — | — | Full specs |
The WA Battery Scheme pays $130 per kWh on the first 10 kWh, capped at $1,300. Capacities under 5 kWh receive nothing, and every capacity from 10 kWh up receives the same $1,300 — a larger battery does not earn a larger rebate. Whether a particular product qualifies also depends on it being Synergy-approved.
Figures come from each configuration's own CEC listing. SBP doesn't hold verified per-configuration pricing for this series — get an installed quote for exact pricing.
Chemistry
LFP
Round-trip efficiency
92.0%
Depth of discharge
90%
Warranty period
10 years
The Alpha ESS SMILE-B5 is an all-in-one system that combines a 5kWh LFP battery with an integrated 5kW hybrid inverter. One unit, one warranty, one support contact. Alpha ESS focuses on energy storage rather than treating batteries as an add-on to an inverter line. The AlphaCloud platform handles real-time monitoring, energy scheduling, and backup management. The 5kWh capacity suits smaller households or those starting with storage, with expansion possible by adding SMILE-B5-Plus units (battery-only modules). That allows incremental investment as needs evolve. At its price point, the SMILE-B5 stacks up against comparable all-in-one systems. Larger capacity needs are better served by Alpha ESS's SMILE5 or SMILE-G3 series. The 10-year warranty is standard for LFP chemistry. For Perth installations, the compact form factor and single-unit setup suit owners who want a straightforward solar battery without specifying multiple components. Alpha ESS has an Australian presence that supports local warranty claims.
Country of origin
Unknown
Australian support
Not verified
Quotes come from verified Perth installers. Compare this series against your existing quote, or email us with specific questions.