Fortress Power eVault Max 18.5kWh LFP Battery

Description

See the Downloads section above for all available datasheets, manuals, quick start guides, certifications, etc.

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Minimum Recommended Sizing Standards for WARRANTY

The newest innovative Lithium Iron Phosphate battery from Fortress Power is the eVault Max 18.5 kWh. An all-in-one solution for your residential and commercial needs. Scalable up to 370kWh with a serviceable top cover access to make installation of this battery simple and worry free. The eVault Max is AC/DC coupled to solar arrays and works for many applications that require solar storage, including Off-Grid, Back Up power, self-supply and Peak Charge Reduction just to name a few.

The Built-In Smart and Reliable Relay-Based Battery Management System integrates multilevel safety concepts for excellent performance:

• Overcharge and Deep Discharge Protection
• Over-heat protection
• Over Current Protection
• Cell Monitoring and Balancing
• Voltage and Temperature Monitoring
• Closed-Loop Communication with Inverters
• Optimized Internal Structure – Easily Serviceable
• Handles More Surge Capacity from Inverters

Fortress Power eVault 18.5kWh LFP Battery Overview:

• Expandable from 18.5 kWh to 222 kWh for both residential and commercial buildings
• Competitively priced and easy to install with > 98% round-trip efficiency
• 10-year warranty
• Overcharge and Deep Discharge Protection
• Over Current Protection
• Over-heat protection
• Voltage and Temperature Monitoring
• Cell Monitoring and Balancing

Fortress Power eVault 18.5kWh LFP Battery Specifications:

Electrical Specifications:

• Nominal Voltage: 51.2V
• Nominal Capacity: 360AH
• Rated Capacity @ 0.5C (180A): 18.43 kWh
• Resistance: <10 mΩ
• Communication Protocol: CAN/RS485
• Efficiency (at 0.5C): 98%
• Cell Self-Discharge: <1 % / Month
• Maximum Allowed Modules in Parallel: 20 (370 kWh)
• Depth of Discharge: Up to 100%
• Warranty: 10 Years
• Cycle Life: 8,000 (@ 80% DoD)

Charge Specifications:

• Recommended Charge Current: 150A
• Maximum Charge Current: 180A
• Recommended Charge Voltage: 54.4V
• BMS Charge Voltage Disconnect: >56V

Discharge Specifications:

• Recommended Continuous Discharge Rate: 180A (9.2 KW)
• Peak Discharge Rate: 230A (12 KW 30 min)
• Maximum Surge Power Rate: 250A (12.8 kW 5 sec)
• Recommended Low Voltage Disconnect: 48V
• Battery Low Voltage Protection: < 46V
• Battery Recovery Voltage: 47V

Mechanical Specifications:

• Dimensions: (L*W*H) 20.3” x 20.3” x 42.2”
• Weight: 520 lbs (235.87 kg)
• Terminal Type: M10
• Ring Terminal Size: 1/2” or larger
• Terminal Torque: 7.0 – 7.7 Nm (5.1 – 5.7 ft – lb)
• Case Material: Industrial Grade Aluminum
• Enclosure Protection: IP55
• Cell Type Chemistry: Tier 1 Automotive Prismatic – LiFeP04 Breaker High Current

Compliance Specifications:

• Certifications: UL1642, UL1973, UL9540, CEC, SGIP
• Shipping Classification: UN 38.3. UN 3480, Class 9

Basic Charging Profile:

• Bulk + Absorb Charge: 54.4V
• Absorb Time: 60 Minutes
• Float Charge: 54V
• Inverter Charging: 2 Stage / No Float
• Equalization: No equalization (typical) 54.6V for 10 seconds (rare)
• Temperature Compensation: None

Temperature Specifications:

• Discharge Temperature: -4°F~140°F (-20°C ~ 60°C)
• Charge Temperature: 32°F ~ 120°F (0°C ~ 49°C)
• Storage Temperature: 6 months: 14°F ~ 77°F (-10°C ~ 25°C)
• 3 months: -4°F ~ 113°F (-20°C ~ 45°C)

SKU:

EVAULT-MAX-18.5