Fortress Power Avalon HV BAT
The Fortress Power Avalon HV BAT is a home battery range from Fortress Power with 5 models. Models store 9.8 kWh – 29.4 kWh in Lithium Iron Phosphate cells. Rated AC power 4.8 kW – 14.4 kW. Listed and verified: UL 1973. Sold in United States.
Specifications
- Capacity
- 9.8 kWh – 29.4 kWh
- Battery chemistry
- Lithium Iron Phosphate
- Rated AC power
- 4.8 kW – 14.4 kW
- Models in this range
- 5
Backup and savings with the Fortress Power Avalon HV BAT
From 9.8 kWh to 29.4 kWh of storage, the Fortress Power Avalon HV BAT stores daytime solar for the evening and night, and with a backup-capable installation keeps a home running through a power cut. It delivers 4.8 kW of AC power (up to 14.4 kW in larger configurations), suited to backing up essential circuits.
One full charge covers about 33% of an average US home's daily electricity use of 29.6 kWh.
Its LiFePO4 (lithium iron phosphate) cells are the long-life chemistry of home energy storage: rated for thousands of cycles and more thermally stable than other lithium-ion types.
| Load | Runs for about |
|---|---|
| Essential circuits: fridge, lights, internet, phone charging (about 500 W) | 18 hours |
| An average US home (about 1.23 kW around the clock) | 7.2 hours |
Estimates. Electricity prices: U.S. Energy Information Administration, average household electricity use.
Product details
- Product type
- Home battery
- Brand
- Fortress Power
- Category
- Home Battery Storage
- Sold in
- United States
- Listed in
- California Energy Commission
Models (5)
| Model | Nominal capacity | Usable capacity | AC power | Certificate |
|---|---|---|---|---|
| Avalon HV BAT 9.8P1M2 | 9.8 kWh | 4.8 kVA | ||
| Avalon HV BAT 14.7P1M3 | 14.7 kWh | 7.2 kVA | ||
| Avalon HV BAT 19.6P1M4 | 19.6 kWh | 9.6 kVA | ||
| Avalon HV BAT 24.5P1M5 | 24.5 kWh | 12 kVA | ||
| Avalon HV BAT 29.4P1M6 | 29.4 kWh | 14.4 kVA |
Certifications
| Certification | Market | Status | Reference | Valid until |
|---|---|---|---|---|
| UL 1973 | United States and Canada | ✓ Verified 19 October 2026 | Intertek |