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Fortress Power eVault MAX 18.5kWh Battery
$11,137.00
Sale price
$11,137.00
Regular price
The Fortress Power eFlex 5.4 Premium builds on the standard eFlex platform with enhanced BMS capabilities and an integrated LCD display for on-unit status monitoring. The Premium version provides additional diagnostics and broader inverter compatibility for more demanding residential and light commercial storage applications.
Specifications
| Model | eFlex 5.4 Premium |
| Usable Capacity | 5.12 kWh |
| Chemistry | Lithium Iron Phosphate (LFP) |
| Voltage | 48V nominal |
| Display | Integrated LCD with SOC indicator |
| Cycle Life | 6,000 cycles to 80% DoD |
| Warranty | 10 years |
Key Features
- Integrated LCD display for local SOC and status monitoring
- Enhanced BMS with wider inverter protocol support
- Modular — stack multiple units for larger storage banks
- CAN bus and RS485 communication for inverter integration
- Same 6,000 cycle life as standard eFlex 5.4
Best For
Homeowners who want local monitoring capability and enhanced inverter integration over the standard eFlex model. Excellent for Sol-Ark and Schneider XW+ hybrid inverter pairings.