Energy Freedom, Power for All Conditions
- 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
- eVault Max can’t be retrofit to an existing eVault Classic system. If you’re looking to add eVault Classic to an existing system, please send your request to sales@nexxapower.com, or call us at (877)-497-6937
Specification
Key Features
Downloads
Specification
| General | |
| Total Energy (kWh) | 18.5 |
| Capacity[Ah] | 360 |
| Nominal Voltage [V] | 51.2 (48) |
| Voltage Range[V] | 48-55 |
| Recommended Charge Current [A] | 100 |
| Max. Charge Current (Continuous)[A] | 170 |
| Max. Discharge Current (Continuous)[A] | 180 |
| Max. Pulse Current (for 10 sec) [A] | 200 |
| Charging Temperature[F] | 32 to 113 |
| Discharging Temperature[F] | 32 to 113 |
| Recommended Storage Temperature [F] | 50 to 95 |
| Dimension [H xW x D, inch] | 38.8 x 19.2 x 21.3 |
| Weight[lbs] | 476 |
| Enclosure Protection Rating | IP21 |
| Mounting options | Floor standing |
| Certificates | UL 1624 |
| Warranty | 5/10 Years |
| Scalability | Maximum 12 in Parallel (222 kWh) |
| Communication | CAN/RS485 |
| High Current Circuit Breaker | 250A |
| Efficiency | >98% |
Key Features
- 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
- eVault Max can’t be retrofit to an existing eVault Classic system. If you’re looking to add eVault Classic to an existing system, please send your request to sales@fortresspower.com, or call us at (877)-497-6937
Downloads
Installation Guides / Warranty
eVault Owner / Installation Manual
eVault BMS Swap / Disassembly Guide
Inverter Guides (how to configure your inverter/charger)
Battery Firmware Download
eVault Warranty Letter