Fortress Power eForce 9.6 kWh Specifications
| Model | Fortress Power eForce 9.6 |
| Nominal Energy Capacity | 9.6 kWh |
| Battery Chemistry | Lithium Iron Phosphate (LFP) |
| Nominal Voltage | 48V DC |
| Maximum Discharge Current | 195A |
| Cycle Life | 8,000 cycles @ 70% EOL |
| Weight | 269 lbs (122 kg) |
| Dimensions (W×D×H) | 24.4 × 9.4 × 33.5 inches |
| Operating Temperature | -4°F to 140°F (-20°C to 60°C) |
| Protection Rating | IP65 (Weather Resistant) |
| Warranty | 10 years standard |
| Maximum Parallel Units | 16 units (153.6 kWh total) |

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Fortress Power eForce 9.6 kWh Home Energy Storage System
SKU FORTRESS-EFORCE-9-6KWH-HESSContractor & DIY Discounts Available - Contact Us
The eForce 9.6 kWh Battery System
The Fortress Power eForce 9.6 kWh is a single-module lithium iron phosphate battery designed for residential energy storage. This entry-level configuration provides reliable backup power for essential home circuits while offering the flexibility to expand capacity as energy needs grow.
Built with automotive-grade LFP cells, the eForce 9.6 kWh delivers consistent performance across 8,000 charge cycles. The compact design measures just 24.4 inches wide and weighs 269 pounds, making it suitable for garage, basement, or outdoor installations. With its IP65 weather rating and integrated thermal management, the battery operates reliably in temperatures from -4°F to 140°F.
eForce 9.6 kWh Battery System Features
- Modular Stackable Architecture: Expand your system vertically up to 28.8 kWh using cable-free quick-plug connectors, or horizontally with up to 16 parallel units for a maximum 153.6 kWh capacity.
- Integrated eWay System: Built-in wireway with 750A busbars, emergency disconnect switch, and real-time LED status indicators eliminates external conduit requirements and reduces installation costs.
- Premium LFP Cell Technology: Automotive-grade lithium iron phosphate cells deliver 8,000 cycles at 70% end-of-life capacity with a 20-year design life and minimal degradation.
- All-Weather IP65 Design: Weather-resistant enclosure with integrated temperature-controlled heating operates reliably from -4°F to 140°F for outdoor or unconditioned space installations.
- Remote Monitoring & VPP Ready: Wi-Fi enabled monitoring tracks individual module performance, enables over-the-air updates, and supports participation in Virtual Power Plant programs for grid support incentives.
eForce Series Flexible Expansion Options
The eForce 9.6 kWh system grows with your energy needs through multiple expansion pathways:
- Stack up to 3 modules vertically (28.8 kWh) using quick-plug connectors
- Expand horizontally with up to 16 parallel units for 153.6 kWh total capacity
- Maintain single-point monitoring and control for all connected batteries


Fortress Power eForce 9.6 kWh Battery System Review
The eForce 9.6 kWh represents a practical entry point into home energy storage without compromising on quality or features. The the quick-plug stacking system is well-designed, allowing homeowners to start with a single module and expand as their needs or budget allows. The integrated eWay wireway significantly reduces installation costs compared to systems requiring separate electrical enclosures and conduit runs.
What distinguishes this battery from competitors is the combination of automotive-grade cells and robust thermal management. The 8,000-cycle rating exceeds most residential batteries in this capacity range, while the integrated heating system ensures consistent performance even in extreme climates. The 195A maximum discharge current provides sufficient power for most essential home circuits, and the ability to parallel up to 16 units means the system can grow with changing household needs. The 10-year warranty demonstrates Fortress Power's confidence in their cell quality and manufacturing process.

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