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Residential battery comparison profile

SAJ
HS3 All-in-One

A slim 6-in-1 solar, battery, backup, EV charging and energy-management platform.

Research-based opinionConfirmed Australian residential pageChecked 7 August 2026
SAJ brand mark used because a reusable Australian product image is not yet available5–40 kWh
01

Manufacturer-sourced facts

What it is.

These are product facts, not a score or endorsement.

Usable capacity range
5–40 kWh
Module size
5 kWh
Architecture
Integrated
Phase support
Single-phase and Three-phase
Backup
Whole-home capable
Warranty
Check the current Australian product warranty
Cell chemistry
LFP
CEC status checked
Australian single- and three-phase datasheets are published, but an exact current CEC battery listing was not confirmed on 7 August 2026. Confirm eligibility before purchase.
Standout specification
5–40 kWh, built-in DC/DC optimiser, 20 A PV input and integrated 7/11 kW EV charger in a 17 cm body
Show 2 model variants

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

  • HS3-(5-6K)-S2-W-PX-AU
  • HS3-(5-10K)-T2-W-PX-AU
02

Our opinion

The buying view.

EDITORIAL OPINION - BASED ON THE CITED RESEARCH
“HS3 is SAJ's strongest fully integrated Australian proposition on paper. The trade-off is ecosystem complexity: approval, phase, EV charging and backup details all need to match the exact AU configuration.”
Best suited to
Homes planning a tightly integrated battery, backup and 7/11 kW EV charging system
What stands out
5–40 kWh, built-in DC/DC optimiser, 20 A PV input and integrated 7/11 kW EV charger in a 17 cm body
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.

  • An Australian product page and datasheets do not by themselves prove current rebate or network eligibility.
  • The integrated EV charger, backup and battery scope can vary by configuration, so compare complete installed schedules rather than headline capacity.

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.

SAJ Australia - HS3 6-in-1 systemOpen manufacturer source ↗SAJ Australia - HS3 AU datasheetsOpen supporting source ↗Clean Energy Council - approved batteriesOpen supporting source ↗CEC series: HS3Search the household-scale approval register →Is something outdated or incorrect?Contact TechManPat with an update →

Evidence check

Last checked

Australian sources
Specifications last checked
7 August 2026
Price last checked
7 August 2026
Australian availability last checked
7 August 2026

What changed

  • New product: SAJ's 5–40 kWh integrated and AC-coupled 6-in-1 platforms are now compared with phase, EV charging, backup and approval caveats.
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