AMBRION RAYBOX HS2 battery rebate
9 of 9 models are on the approved list. Rebates below assume installation in May–Dec 2026 at $38 per STC. The earliest listing expiry is 31 December 2027.
Models and rebates
| Model | Usable | Nominal | Listing | Rebate now | From Jan–Jun 2027 | |
|---|---|---|---|---|---|---|
| HS2-10K-T2-2 4G (AS4777-2 2020) | 9.5 kWh | 10 kWh | Approved until 31 December 2027 | $2,432 | $2,052 | Rebate · How long it lasts |
| HS2-5K-T2-2 4G (AS4777-2 2020) | 9.5 kWh | 10 kWh | Approved until 31 December 2027 | $2,432 | $2,052 | Rebate · How long it lasts |
| HS2-8K-T2-2 4G (AS4777-2 2020) | 9.5 kWh | 10 kWh | Approved until 31 December 2027 | $2,432 | $2,052 | Rebate · How long it lasts |
| HS2-10K-T2-3 4G (AS4777-2 2020) | 14.25 kWh | 15 kWh | Approved until 31 December 2027 | $3,648 | $3,040 | Rebate · How long it lasts |
| HS2-5K-T2-3 4G (AS4777-2 2020) | 14.25 kWh | 15 kWh | Approved until 31 December 2027 | $3,648 | $3,040 | Rebate · How long it lasts |
| HS2-8K-T2-3 4G (AS4777-2 2020) | 14.25 kWh | 15 kWh | Approved until 31 December 2027 | $3,648 | $3,040 | Rebate · How long it lasts |
| HS2-10K-T2-4 4G (AS4777-2 2020) | 19 kWh | 20 kWh | Approved until 31 December 2027 | $4,370 | $3,648 | Rebate · How long it lasts |
| HS2-5K-T2-4 4G (AS4777-2 2020) | 19 kWh | 20 kWh | Approved until 31 December 2027 | $4,370 | $3,648 | Rebate · How long it lasts |
| HS2-8K-T2-4 4G (AS4777-2 2020) | 19 kWh | 20 kWh | Approved until 31 December 2027 | $4,370 | $3,648 | Rebate · How long it lasts |
Source: CEC approved batteries list via the Clean Energy Regulator. Always check the exact model number on your quote.
HS2-5K-T2-3 4G (AS4777-2 2020): rebate by install date
Questions
Is the AMBRION RAYBOX HS2 eligible for the federal battery rebate?
Yes. 9 of the 9 AMBRION RAYBOX HS2 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 AMBRION RAYBOX HS2?
For the HS2-5K-T2-3 4G (AS4777-2 2020) (14.25 kWh usable), about $3,648 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 HS2-5K-T2-3 4G (AS4777-2 2020) would get about $3,040, $608 less. The date that counts is when it's installed and commissioned.