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Fortress Power eVault Max 18.5kWh LFP Battery
- Capacity18.5 kWh
$6,479.00
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SKU EVAULT-MAX-18.5
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Overview
See the Downloads section above for all available datasheets, manuals, quick start guides, certifications, etc.
Look for your inverter in the Inverter Integration Guides
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
Show the full description
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
Specifications
| Capacity | 18.5 kWh |
|---|---|
| Chemistry | LiFePO4 |
| Weight | 520 lb |
|---|---|
| Dimensions | 48 × 40 × 40 in |
| Brand | Fortress |
|---|---|
| SKU | EVAULT-MAX-18.5 |
Runtime estimate
Based on this battery's rated capacity of 18.5 kWh, with 90% of it usable. Real runtime depends on temperature, age and inverter efficiency.
Add up the watts of everything you want to run at once.
Estimated runtime17 hours
Questions and answers
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Compare with similar items
| Overview | ||||
|---|---|---|---|---|
| Price | $6,479.00 | $4,440.00 | $3,927.77 | $3,499.00 |
| Availability | Out of stock | In stock | In stock | In stock |
| Brand | Fortress | AIMS | Not listed | Tigo |
| Electrical | ||||
| Capacity | 18.5 kWh | Not listed | 4.9 kWh | 10 kWh |
| Chemistry | LiFePO4 | LiFePO4 | Not listed | Not listed |
| Nominal voltage | Not listed | 48 V | 48 V | Not listed |
| Physical | ||||
| Weight | 520 lb | 242 lb | 160 lb | 308.6 lb |
| Dimensions | 48 × 40 × 40 in | 38 × 29 × 21.5 in | 48 × 40 × 40 in | 48 × 40 × 40 in |
| Warranty and compliance | ||||
| Warranty | Not listed | Not listed | Not listed | Not listed |
| Identifiers | ||||
| SKU | EVAULT-MAX-18.5 | LFP48V200A | SPHI-B-4.9 | TSB-10-US |
