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Residential inverter comparison profile

AlphaESS

AlphaESS
SMILE-G3 T5–T20

Australian-listed inverter models for documented SMILE-G3 battery systems.

Research-based opinionAustralian product range confirmedChecked 13 November 2026
AlphaESS brand mark used because a reusable Australian product image is not yet available5–20 kW rated AC
01

Manufacturer-sourced facts

What it is.

These are product facts, not a score or endorsement.

Output range
5–20 kW rated AC
Architecture
Inverter only
Phase support
Three-phase
Backup
Backup capable
Warranty
Confirm the exact Australian inverter warranty.
CEC status checked
Exact inverter codes verified in the Australian register.
Standout specification
T15 and T20 need at least two 9.3S modules.
Show 4 model variants

These model names sit inside the family above. Capacity, phase and output still need to match the installed configuration.

  • SMILE-G3-T5-INV
  • SMILE-G3-T10-INV
  • SMILE-G3-T15-INV
  • SMILE-G3-T20-INV
02

Our opinion

The buying view.

EDITORIAL OPINION - BASED ON THE CITED RESEARCH
“Check continuous output from the installed battery as well as the inverter rating.”
Best suited to
Comparing a documented AlphaESS inverter and battery combination.
What stands out
T15 and T20 need at least two 9.3S modules.
03

Cons and watch-outs

What to check before buying.

These are configuration trade-offs and questions to verify, not claims that the product is defective.

  • Confirm network export limits and backed-up circuits.

Ask for these points to be answered against the exact model numbers and installed configuration in your quote.

04

Evidence trail

Check the sources.

Specifications can change by model revision, region and paired hardware. CEC approval is not proof of current availability or suitability. Confirm the model and final design with the manufacturer and an accredited Australian installer.

AlphaESS Australia - system documentationOpen manufacturer source ↗Clean Energy Council - approved invertersOpen supporting source ↗CEC series: SMILE-G3Search the household-scale approval register →Is something outdated or incorrect?Contact TechManPat with an update →

Evidence check

Last checked

Australian sources
Specifications last checked
13 November 2026
Price last checked
No separate price check recorded
Australian availability last checked
13 November 2026

What changed

No material change logged.

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