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Residential inverter comparison profile

SolaX

SolaX
X3 Ultra

An Australian-listed hybrid inverter family for a documented battery configuration.

Research-based opinionAustralian product range confirmedChecked 13 November 2026
SolaX brand mark used because a reusable Australian product image is not yet available14.999–29.999 kW rated AC
01

Manufacturer-sourced facts

What it is.

These are product facts, not a score or endorsement.

Output range
14.999–29.999 kW rated AC
Architecture
Inverter only
Phase support
Three-phase
Backup
Backup capable
Warranty
Confirm the Australian warranty for the exact inverter code.
CEC status checked
Current inverter codes verified. Earliest listing expiry 2027-06-25.
Standout specification
Verified Australian model codes and rated output.
Show 7 model variants

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

  • X3-ULT-15K
  • X3-ULT-15KP
  • X3-ULT-19.9K
  • X3-ULT-20K
  • X3-ULT-25K
  • X3-ULT-30K
  • X3-ULT-20KP
02

Our opinion

The buying view.

EDITORIAL OPINION - BASED ON THE CITED RESEARCH
“Compare battery-only output and per-phase backup limits alongside the inverter rating.”
Best suited to
A three-phase SolaX installation with the matched battery family.
What stands out
Verified Australian model codes and rated output.
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 exact battery module count, export limits and backup hardware.

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.

SolaX Australia - X3 Ultra manualOpen manufacturer source ↗Clean Energy Council - approved invertersOpen supporting source ↗CEC series: search exact modelSearch the household-scale approval register →Is something outdated or incorrect?Contact TechManPat with an update →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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