In Stock
Model: eVault Max 18.5
Fortress Power eVault Max 18.5 kWh 48V Lithium Iron Phosphate Battery
High-performance Fortress Power eVault Max 18.5 kWh LFP battery with 98% round-trip efficiency, designed for residential and commercial energy storage with advanced monitoring and scalability.
Brand: Fortress PowerType: Power:
Key Features
- 18.5 kWh usable capacity for large-scale energy storage
- 98% round-trip efficiency for maximum energy savings
- 8,000 cycle life at 80% depth of discharge for long-term reliability
- Advanced LiFePO₄ chemistry for safety and performance
- High power output: 12kW peak discharge, 12.8kW surge power
- Flexible depth of discharge up to 100%
- Multiple communication protocols (CAN, RS485) for system integration
- IP55 enclosure rating for indoor/outdoor installation
- Wide operating temperature range (-20°C to 60°C discharge)
- Scalable design supporting up to 20 units (370 kWh total)
- Floor-standing mounting for easy installation
- Touchscreen LCD display for user-friendly monitoring
- Comprehensive certifications (UL 9540, UL 9540A, UL 1973, UL 1642)
- UN 38.3 certified for safe shipping and handling
- CEC certified for California energy compliance
- 10-year warranty for long-term peace of mind
- Professional-grade construction for commercial applications
- Advanced BMS with comprehensive protection features
Technical Specifications
ModeleVault Max 18.5
Usable Capacity18.5 kWh
Nominal Voltage51.2V
Battery ChemistryLiFePO₄ (Lithium Iron Phosphate)
Cycle Life8,000 cycles @ 80% DoD
Depth of Discharge (DoD)Up to 100%
Round-Trip Efficiency98%
Communication ProtocolsCAN, RS485
Peak Discharge Rate230A (12kW for 30 min)
Surge Power Output250A (12.8kW for 5 sec)
Recommended Charge Current150A
Maximum Charge Current180A
Charge Voltage54.4V (Absorb), 54V (Float)
Enclosure RatingIP55 (Indoor/Outdoor rated)
CertificationsUL 9540, UL 9540A, UL 1973, UL 1642, UN 38.3, CEC
Operating Temp (Discharge)-20°C to 60°C (-4°F to 140°F)
Operating Temp (Charge)0°C to 49°C (32°F to 120°F)
Storage TempUp to 6 months: -10°C to 25°C (14°F to 77°F)
ScalabilityUp to 20 units (370 kWh total)
MountingFloor-standing
DisplayTouchscreen LCD
Dimensions (L x W x H)20.3" x 20.3" x 42.2" (515 x 515 x 1073 mm)
Weight520 lbs (236 kg)
Warranty10 years
Shipping ClassificationUN 3480, Class 9 (UN 38.3 certified)
