Fortress Power eVault Max 18.5kWh 48V LFP Battery - Whole-Home Storage
Fortress Power eVault Max 18.5kWh 48V LFP Battery - Whole-Home Storage
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- SKU
- FP-EVAULTMAX185
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Fortress Power eVault Max — 18.5kWh 48V LFP Battery | Whole-Home
The Fortress Power eVault Max is a high-capacity 18.5kWh lithium iron phosphate (LFP) battery engineered for whole-home backup and off-grid energy independence. With 360Ah at 51.2V, this single-unit powerhouse delivers enough stored energy to run a typical home through extended outages. Built with premium LFP cells and a 10-year warranty, the eVault Max scales up by paralleling additional units for commercial-grade storage capacity.
Key Benefits
- 18.5kWh Single-Unit Capacity — Substantial storage for whole-home backup and multi-day off-grid living
- LiFePO4 Chemistry — Safe, thermally stable lithium iron phosphate — no thermal runaway
- 360Ah at 51.2V — High-capacity 48V bank with robust charge/discharge ratings
- Modular Expansion — Parallel multiple eVault Max units for commercial-scale storage
- Smart BMS with Active Balancing — Cell-level monitoring and protection maximize battery lifespan
- Wide Inverter Compatibility — CAN/RS485 communication protocol for seamless integration
- Cloud Monitoring — Optional Fortress eVault Guardian cloud-based remote monitoring
Specifications
| Specification | Detail |
|---|---|
| Usable Capacity | 18.5 kWh |
| Nominal Voltage | 51.2V DC |
| Nominal Capacity | 360Ah |
| Battery Chemistry | Lithium Iron Phosphate (LFP) |
| Cycle Life | 6,000+ cycles |
| Charge/Discharge Current | 100A / 200A peak |
| Communication | CAN / RS485 |
| Operating Temperature | -4°F to 122°F (-20°C to 50°C) |
| Enclosure | Indoor / Protected outdoor |
| Weight | ~340 lbs (154 kg) |
| Warranty | 10 years |
What's in the Box
- Fortress Power eVault Max 18.5kWh Battery
- Communication cable
- Mounting brackets
- User manual
| SKU | FP-EVAULTMAX185 |
|---|---|
| Manufacturer | Fortress Power |
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