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Battery inverter · Alpha ESS · Storion-SMILE-B3 series · CEC approved August 2024
CEC listing: Storion-SMILE-B3 III (AS4777-2 2020)
A 3 kW single-phase battery inverter.
Read from the figures on this page. No review written yet.
The numbers that matter for a home. The full datasheet is below.
Rated power
How much solar it can turn into usable power at once
Max efficiency
How much of the solar you make reaches the house
Phases
Runs on a standard single-phase supply
MPPT trackers
One string of panels, tuned as a whole
Type
Runs a battery; pairs with a separate solar inverter
Warranty
How long Alpha ESS Co Ltd stands behind it
Every figure on file for the Alpha ESS Storion-SMILE-B3 III, by section.
| Specification | Value |
|---|---|
| Power & output | |
| Nominal power | 3 kW |
| Maximum power | 3 kW |
| Apparent power | 3 kVA |
| Phases | 1 |
| Efficiency | |
| Max efficiency | 95% |
| European efficiency | 95% |
| CEC-weighted efficiency | 95% |
| DC input & MPPT | |
| MPPT trackers | 1 |
| Max input voltage | 58 V |
| MPPT voltage min | 40 V |
| MPPT voltage max | 58 V |
| Max input current | 13 A |
| Battery & backup | |
| Battery compatible | Yes |
| Backup capable | Yes |
| Continuous backup | 3 kW |
| Physical | |
| Dimensions (H×W×D) | 650 × 610 × 219 mm |
| Weight | 50 kg |
| IP rating | IP65 / IP21 |
| Cooling | Natural |
| Operating temperature | -10°C to 50°C |
| Installation requirements | |
| Cable gauge | 25 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.
Battery compatible
Yes
Backup capable
Yes
CEC approved
14 Aug 2024
Approval expiry
27 Jan 2027
Status
Active
Eligible for rebates
Yes
Years in AU Market
9 years
Australian Office
Yes
CEC-Approved Batteries
76
CEC-Approved Panels
0
Category
Mid-Tier
Typical installed, inverter only
$900–$1,650
Prices vary by installer, configuration and site complexity. Get exact quotes from installers you choose.
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Western Power approval is required for every grid-connected install. Under Emergency Solar Management, a new system must be remotely manageable, or take an export limit instead — ask your installer to confirm this inverter’s ESM status.
Estimate for a full-size array on this inverter
At 5 peak sun hours a day (BOM) with a 15% system derate.
Australian office
Has local presence
Website
alphaess.auThe Alpha ESS Storion-SMILE-B3 III against the closest-power inverters from other brands.
| Specification | Alpha ESS Storion-SMILE-B3 IIIAlpha ESS | Energizer FORCE 3.0HSEnergizer | Energizer Force 3SEnergizer |
|---|---|---|---|
| Rated power? | 3 kW | 3 kW | 3 kW |
| Max efficiency? | 95.0%best value | 0.0% | 0.0% |
| MPPT trackers? | 1 | Not verified | Not verified |
| Phases | Single-phase | Single-phase | Single-phase |
| Type | Battery | Hybrid | Solar |
| Battery ready | Yes | Yes | No |
| Warranty | 5 years | Not verified | Not verified |
Specs from the CEC register and datasheet enrichment. Indicative — confirm exact figures with your installer.
This warranty covers the repair or replacement of faulty products for 5 years, with specific battery warranties up to 10 years. It excludes damage from improper installation, environmental extremes, and requires a certified installer.
AI-summarised from the manufacturer warranty document. Always confirm against the linked PDF before relying on it for a claim.
Part of the Alpha ESS Storion-SMILE-B3 series
Compare every Alpha ESS Storion-SMILE-B3 variant side by side →
M30-INV-AU (AS4777-2 2020)
30 kW · 3φ
M50-INV-AU (AS4777-2 2020)
50 kW · 3φ
SMILE-B3-PLUS (AS4777-2 2020)
3 kW · 1φ
SMILE-B3-PLUS II (AS4777-2 2020)
3 kW · 1φ
SMILE-B3-PLUS III (AS4777-2 2020)
3 kW · 1φ
SMILE-B3-PLUS IV (AS4777-2 2020)
3 kW · 1φ
Other CEC-approved products from Alpha ESS Co Ltd available in Australia.
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About this data
All inverter specifications are sourced from the CEC Approved Products Register. Specifications are provided as published by the CEC and may differ from manufacturer datasheets. Verify current specifications with the manufacturer or your installer before purchasing. Not all listed models may be currently available in Western Australia.