Description
Fortress Power Lithium Battery Storage LFP-10 Max
The Fortress Power LFP-10 Max is a high-performance residential energy storage battery built on safe, long-life LFP chemistry. With 10.24 kWh of energy, 200 Ah capacity, >98% efficiency at 0.5C, and an integrated 150A DC breaker, it delivers reliable backup power and cost-effective time-of-use shifting for both new and retrofit solar systems.
Key Benefits
High Usable Energy: 10.24 kWh and 200 Ah for whole-home or critical-load backup.
Efficient & Fast: >98% efficiency at 0.5C for better round-trip performance.
Safe & Robust: LFP chemistry with wide charge/discharge temperature windows.
Installer-Friendly: Floor-standing design with integrated 150A breaker for safe service.
Expandable: Parallel up to two units to increase capacity.
Special Technology
Integrated Protection: Built-in 150A DC breaker streamlines isolation and maintenance.
LFP Cell Architecture: Stable lithium iron phosphate chemistry supports long cycle life.
Warranty
5/10-Year Manufacturer Warranty (per model/program).
Best Uses
Residential Backup: Keep essential loads powered during outages.
Time-of-Use & Self-Consumption: Store daytime PV energy for night use and peak shaving.
Retrofits & New Builds: Flexible integration for existing or new ESS projects.
Specifications Table
| Specification | Data |
|---|---|
| Model | LFP-10 Max |
| Total Energy | 10.24 kWh |
| Capacity | 200 Ah |
| Nominal Voltage | 51.2 V (48 V system) |
| Voltage Range | 48 – 58.4 V |
| Absorption Voltage | 57.6 V |
| Float Voltage | 54.4 V (if asked) |
| Recommended Charge Current | 80 A (≈4 kW) |
| Recommended Discharge Current | 100 A (≈5 kW) |
| Max Charge Current (Continuous) | 120 A (≈6 kW) |
| Max Discharge Current (Continuous) | 120 A (≈6 kW) |
| Max Pulse Current (5 s) | 150 A (≈7.6 kW) |
| Charge Temperature | 32–113 °F (0–55 °C) |
| Discharge Temperature | 32–114 °F (0–45 °C) |
| Recommended Storage Temperature | 41–113 °F (5–55 °C) |
| Dimensions (W × D × H) | 17.3 × 9.4 × 33.8 in |
| Weight | 210 lb |
| Enclosure Protection Rating | IP30 (indoor unit) |
| Mounting Options | Floor standing |
| Certificates | UL 1642, CE |
| Life Cycle | 6000 @ 80% DoD |
| Battery Breaker | 150 A |
| Efficiency | > 98% @ 0.5C |
| Scalability | Maximum 2 in parallel |
| Warranty | 5/10 Years |
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FAQs
Is the LFP-10 Max compatible with my solar inverter?
Yes. The LFP-10 Max is designed to integrate with most leading solar inverters. Your installer will confirm inverter compatibility and configure the system for optimal performance.
Do I need solar panels to use the LFP-10 Max?
No. While the LFP-10 Max is often paired with solar panels, it can also be charged from the grid or a generator, providing flexible backup energy storage options.
How do I monitor the performance of my LFP-10 Max?
The LFP-10 Max includes smart BMS (Battery Management System) with communication protocols that allow monitoring through compatible inverter apps or dedicated monitoring platforms.
What happens if there is a power outage?
When installed with a compatible inverter and configured for backup, the LFP-10 Max provides stored power to your home during outages, keeping essential circuits running.
How do I maintain the LFP-10 Max?
The LFP-10 Max requires little maintenance thanks to its long-life lithium iron phosphate (LFP) chemistry. Ensure proper ventilation, keep connections clean, and check for system alerts.
What is the efficiency of the LFP-10 Max?
The round-trip efficiency is typically above 98% (battery cell level). For precise system-level efficiency, refer to the Fortress Power datasheet or your installer’s configuration.
What are the input and output voltage ranges?
The LFP-10 Max operates at a nominal 51.2V (48V class system). Exact charging/discharging voltage ranges should be confirmed in the official datasheet for system design.
What communication protocols does the LFP-10 Max use?
The battery supports multiple communication protocols (CANBus, RS485, and others) to ensure compatibility with leading inverter brands.
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