Fox ESS 42kWh Battery Price in Australia (2026)
Straight-talking 2026 pricing for the Fox ESS 42kWh (CQ7-L6) battery — installed cost, equipment-only price, sizing, blackout backup and exactly how the federal rebate brings it down.
Quick answer
A Fox ESS 42kWh (CQ7-L6) battery costs $28,000–$38,000 installed in Australia in 2026. After the ~30% federal Cheaper Home Batteries rebate, most homeowners pay $19,000–$27,000. It supports full blackout backup and scales up to 97.44kWh on the same inverter.
41.76 kWh usable
6 x 6.96kWh LFP modules, 100% DoD
Blackout backup
Islanding <20ms with hybrid inverter
10-yr warranty
CEC approved · 2026 rebate eligible
Installed price range
| Equipment only | $22,000 – $26,000 |
| Standard install | $28,000 – $32,000 |
| Complex install (3-phase / acreage) | $33,000 – $38,000 |
| After 2026 federal rebate | $19,000 – $27,000 |
What affects the price
- Number of 6.96kWh CQ7 modules (41.76kWh = 1 CQ7-M + 5 CQ7-S, model CQ7-L6)
- Hybrid inverter sizing (10kW vs 15kW three-phase)
- Switchboard upgrade or sub-board requirements
- Cable run length from battery to switchboard
- Backup circuit wiring for blackout protection
- State (NSW/VIC vs WA/QLD freight + compliance)
What "from" pricing means
"From" prices are the lowest installed price we deliver for a standard single-storey home with a compliant switchboard, single-phase supply, on-wall install within 5m of the inverter, and rebate applied at point of sale. Site inspection confirms your final fixed price in writing before install.
Install availability
- Sydney MetroSame-week install · Penrith to Cronulla
- BrisbaneGreater Brisbane + Gold Coast · 1–2 week lead
- AdelaideAdelaide Metro + Hills · 2 week lead
- Regional NSW / VIC / QLDBy site inspection
Standard installation — what's included
- CEC-accredited electrician + SAA-accredited battery installer
- Fixed installed price in writing after 15-min phone site check
- Federal Cheaper Home Batteries rebate applied at point of sale (no cheque)
- 10-year product warranty + 10-year workmanship warranty
- Includes switchboard check, backup circuit, commissioning, monitoring app setup
- Additional cost only if switchboard upgrade, 3-phase upgrade or long cable run is required — quoted upfront
Battery size comparison — which CQ7 stack fits your home?
The Fox ESS CQ7 scales in 6.96kWh increments. Here's what each size actually covers, with installed price after rebate.
| Battery size | Best for | After-rebate price |
|---|---|---|
| 13.92 kWh (CQ7-L2) | Small home, night-only offset | $9k – $12k |
| 27.84 kWh (CQ7-L4) | Family home, EV top-up | $16k – $20k |
| 41.76 kWh (CQ7-L6)← this page | Large home, blackout backup, small commercial | $19k – $27k |
| 62.64 kWh (CQ7-L9) | Acreage, off-grid, cafe/workshop | $28k – $36k |
| 97.44 kWh (CQ7-L14) | Off-grid property, commercial | $42k – $55k |
Want your exact 42kWh price in writing?
Fixed quote with rebate applied at point of sale — no waiting for a cheque.
Battery rebate explained
Solar panels earn STCs; batteries don't. Instead, the 2026 Cheaper Home Batteries Program (live 1 July 2025) discounts approved batteries by ~30% of installed cost at point of sale. The Fox ESS CQ7 42kWh stack is on the CEC approved product list, so True Solar Nation applies the rebate directly to your invoice — you never wait for a cheque. You can also stack NSW PDRS and other state incentives for further savings of $1,500–$2,400.
Fox ESS 42kWh pricing FAQs
Get a fixed Fox ESS 42kWh price — rebate applied
We'll model your usage, size the stack and lock in your rebated price in writing.