FOXESS 9.9kW / 27.84kWh Battery System — 1 Phase
$11,773.50
FOXESS KH 9.9 kW single-phase hybrid inverter + 27.84 kWh CQ7 storage (4 modules) · backup supply · new install or AC-coupled retrofit
In one line
The FOXESS 9.9kW 27.84kWh 1 Phase battery system: a 9.9 kW hybrid inverter paired with 27.84 kWh of storage, supplied and installed as one package.
Who this suits
Larger single-phase array, higher daytime generation.
Before you choose on size
Federal battery certificates are tiered — weighted toward the first 14 kWh of usable capacity, tapering from 14 to 28 kWh, and small above that. A larger battery does not attract a proportionally larger discount. Choose capacity on your evening and overnight usage and whether you want extended backup, not on the rebate.
→ How the rebates work
What is in the FOXESS 9.9kW 27.84kWh 1 Phase battery system
The largest single-phase FOXESS inverter paired with a 27.84 kWh CQ7 high-voltage battery stack — one master unit plus three modules at 6.96 kWh each, all usable.
At 9.9 kW the KH9.9 sits just under the 10 kW threshold most Victorian distributors apply to single-phase connections, and its four MPPT trackers give more layout freedom than any other inverter in this range. With 200% DC oversizing it accepts up to 19.8 kW of panels, which leaves real headroom for adding to the array later.
A backup supply keeps nominated circuits live from the battery during an outage. Installs as new solar or AC-couples onto an existing array.
Panels, mounting and installation are quoted separately after a site assessment. Indicative values are not a quote.
Manufacturer information on the FOXESS battery system: FOXESS CQ7 battery. You can check any battery on the Clean Energy Council approved batteries list.
Additional information
| Brand | FOXESS |
|---|---|
| Phase | 1 Phase |
| Inverter Output | 10 kW |
| Battery Capacity | 27.84 kWh |
| CT Configuration | 2CT |
