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Home battery · Alpha ESS · CEC approved July 2025
A 9.6 kWh home battery.
Read from the figures on this page. No review written yet.
The numbers that matter for a home. The full datasheet is below.
Usable capacity
How much energy it stores for you to use
Continuous power
How much it can run at once — most of a home, but not everything at full tilt
Round-trip efficiency
How much of the energy you store comes back out
Depth of discharge
How much of the battery you can actually use
Warranty
How long the manufacturer stands behind it
Battery chemistry
Lithium iron phosphate — the long-cycle-life type
Every figure on file for the Alpha ESS SMILE-G3, by section.
| Specification | Value |
|---|---|
| Cell & chemistry | |
| Chemistry | LFP |
| Capacity & power | |
| Nominal capacity | 30.2 kWh |
| Usable capacity | 9.6 kWh |
| Continuous power | 5 kW |
| Depth of discharge | 95% |
| Physical | |
| Dimensions (H×W×D) | 230 × 610 × 1168 mm |
| Weight | 109.5 kg |
| IP rating | IP65 |
| Installation requirements | |
| Cable gauge | 16 mm² |
Parsed from the manufacturer datasheet, install manual, and warranty document. Confirm against the linked PDFs before relying on a value for a quote or installation.
This warranty covers defects in materials and workmanship for 5 years for new products installed by certified professionals. It excludes claims arising from improper installation, modifications, and usage outside specified conditions, and you can make a claim by contacting the original retailer or Alpha ESS directly.
5
years
∞
MWh
45°
celsius
Level 0
No Backup
Alpha ESS Australia
Chinese manufacturer with Australian subsidiary.
Rated to 45°C. Give it a shaded or indoor spot through Perth summers.
CSIP-AUS compliant
On the Synergy Supported Solutions List (SSL) for remote management.
Synergy SSL approved inverter
Pairs with ALPHA ESS CO LTD SMILE.
VPP activation ready
Ready for Synergy VPP participation.
WA Battery Scheme rebate
Up to $1,300 for Synergy customers (10kWh max eligible).
Synergy Battery Rewards
Earns credits during VPP activation events (up to 30/year).
Interest-free loan
Qualifies for up to $10,000 interest-free.
Under current WA rules, new rebate applications require VPP enrolment and CSIP-AUS compliance. How the scheme works · Estimate VPP earnings
9 years in the Australian market
$8,640
Typical installed price, before rebates
The WA Battery Scheme pays $1,248 on this size when it is installed with a Synergy-approved inverter and enrolled in a VPP. STCs assume about $39.9 a certificate. Estimates only; your quote will vary.
Usable capacity, for one battery system
This battery is below the smaller-home band. The WA rebate caps at 10 kWh, but that is a rebate limit, not a sizing guide.
Estimated federal rebate (STCs) for this 9.6 kWh battery
The Alpha ESS SMILE-G3-BAT-10.1P III against the closest-sized batteries from other brands.
| Specification | Alpha ESS SMILE-G3-BAT-10.1P IIIAlpha ESS | ELAI A11-010KCAAELAI | GoodWe LX F9.6-H-20GoodWe |
|---|---|---|---|
| Usable capacity? | 9.6 kWh | 9.6 kWh | 9.6 kWh |
| Continuous power? | 5 kW | Not verified | Not verified |
| Peak power? | Not verified | Not verified | Not verified |
| Round-trip efficiency? | 92% | 92% | 92% |
| Warranty | 5 years | Not verified | Not verified |
| Chemistry | LFP | LFP | LFP |
Specs from the CEC register and datasheet enrichment. Indicative — confirm exact figures with your installer.
Other CEC-approved products from Alpha ESS available in Australia.
Get a quote from an installer from our network that covers your area. You choose whether to act on it. No obligation.
This model is one entry in the desk's index of solar batteries for Perth — every CEC-approved battery on one comparable dataset.
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.