Fortress Power eStar 12kWh 48V LFP Battery - Home Energy Storage
Legacy ModelFortress Power eStar 12kWh 48V LFP Battery - Home Energy Storage
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- SKU
- FP-ESTAR12
- Unit price
- $542/kWh
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Fortress Power eStar — 12kWh 48V LFP Battery | Home Energy Storage
The Fortress Power eStar is a 12kWh lithium iron phosphate (LFP) battery designed for residential energy storage and backup power. Bridging the gap between the eFlex Max and eVault Max, the eStar delivers substantial capacity in a manageable footprint. With premium LFP cells, an intelligent BMS, and 6,000+ cycles of service life, it provides reliable, scalable energy storage for homes seeking energy independence and resilience.
Key Benefits
- 12kWh Mid-Range Capacity — Ideal balance of capacity and footprint for whole-home backup
- LiFePO4 Chemistry — Safe, thermally stable lithium iron phosphate cells
- 6,000+ Cycle Life — Long service life for years of daily cycling
- Scalable Design — Parallel additional units for expanded storage capacity
- Intelligent BMS — Built-in battery management with cell-level protection
- Wide Inverter Compatibility — CAN/RS485 communication with leading 48V inverters
- Cloud Monitoring Ready — Optional remote monitoring via Fortress Guardian platform
Specifications
| Specification | Detail |
|---|---|
| Usable Capacity | 12 kWh |
| Nominal Voltage | 51.2V DC |
| Battery Chemistry | Lithium Iron Phosphate (LFP) |
| Cycle Life | 6,000+ cycles |
| Charge/Discharge Current | 100A nominal |
| Communication | CAN / RS485 |
| Operating Temperature | -4°F to 122°F (-20°C to 50°C) |
| Warranty | 10 years |
What's in the Box
- Fortress Power eStar 12kWh Battery
- Communication cable
- Mounting hardware
- User manual
| SKU | FP-ESTAR12 |
|---|---|
| Manufacturer | Fortress Power |
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