FoxESS ECS4800 battery rebate
6 of 6 models are on the approved list. Rebates below assume installation in May–Dec 2026 at $38 per STC. The earliest listing expiry is 2 January 2027.
Models and rebates
| Model | Usable | Nominal | Listing | Rebate now | From Jan–Jun 2027 | |
|---|---|---|---|---|---|---|
| ECS4800-H2 | 8.39 kWh | 9.32 kWh | Expiring soon until 2 January 2027 | $2,166 | $1,786 | Rebate · How long it lasts |
| ECS4800-H3 | 12.58 kWh | 13.98 kWh | Expiring soon until 2 January 2027 | $3,230 | $2,698 | Rebate · How long it lasts |
| ECS4800-H4 | 16.78 kWh | 18.64 kWh | Expiring soon until 2 January 2027 | $4,028 | $3,382 | Rebate · How long it lasts |
| ECS4800-H5 | 20.97 kWh | 23.3 kWh | Expiring soon until 2 January 2027 | $4,674 | $3,914 | Rebate · How long it lasts |
| ECS4800-H6 | 25.16 kWh | 27.96 kWh | Expiring soon until 2 January 2027 | $5,320 | $4,446 | Rebate · How long it lasts |
| ECS4800-H7 | 29.35 kWh | 32.6 kWh | Expiring soon until 2 January 2027 | $5,814 | $4,864 | Rebate · How long it lasts |
Source: CEC approved batteries list via the Clean Energy Regulator. Always check the exact model number on your quote.
ECS4800-H5: rebate by install date
Questions
Is the FoxESS ECS4800 eligible for the federal battery rebate?
Yes. 6 of the 6 FoxESS ECS4800 models are on the Clean Energy Council approved batteries list as at 9 November 2026. The exact model number on your quote must match one on the list on your installation date.
How much is the rebate on a FoxESS ECS4800?
For the ECS4800-H5 (20.97 kWh usable), about $4,674 if installed in May–Dec 2026, at $38 per STC. The table above shows every model.
What happens on 1 January 2027?
The STC factor drops from 6.8 to 5.7. The same ECS4800-H5 would get about $3,914, $760 less. The date that counts is when it's installed and commissioned.