Sol-Ark 8kW Inverter with Fortress Power eFlex 10.8kWh Battery Storage Kit
$13,195.00
Lithium Iron Phosphate Battery
The Fortress Power eFlex is a 5.4 kWh scalable energy storage solution based on safe and energy dense prismatic Lithium-Iron-Phosphate cells. The high amperage, smart Battery Management System (BMS) includes relay disconnects, closed-loop inverter communication, cell voltage and temperature monitoring, and cell balancing to maximize reliability and longevity, as well as wifi for internet-of-things compatibility. The unit can be wall mounted, floor mounted, and server rack mounted.
Lithium Iron Phosphate Battery
The Fortress Power eFlex is a 5.4 kWh scalable energy storage solution based on safe and energy dense prismatic Lithium-Iron-Phosphate cells. The high amperage, smart Battery Management System (BMS) includes relay disconnects, closed-loop inverter communication, cell voltage and temperature monitoring, and cell balancing to maximize reliability and longevity, as well as wifi for internet-of-things compatibility. The unit can be wall mounted, floor mounted, and server rack mounted.
Adding storage with your PV system can be simple. Whether you have an existing grid-tie system or are planning a new project, Sol-Ark and Fortress offer a combined solution that will help you keep the lights on and your home office running during utility interruptions. “Closed-loop” communication and streamlined installation makes integrating solar with storage now easier than ever.
Specifications
| Max Allowed PV Power | 5,500W + 5,500W = 11,000W |
| Max PV Power Delivered to Battery & AC Outputs | 8,000W |
| Max DC voltage | 500V @ 18A, 450V @ 20A |
| MPPT voltage range | 150-425V |
| Starting Voltage | 125V |
| Number of MPPT | 2 |
| Max Solar Strings Per MPPT | 2 |
| Max DC Current per MPPT (Self Limiting) | 20A |
| Max AC Coupled Input (Micro/String Inverters) | 9,600W |
| Nominal AC Output Voltage | 120/240V/204V Split Phase |
| Peak Inverter Efficiency | 97.5% |
| Continuous AC power to Grid (On Grid) | 8000W 33.3A-L (240V) |
| Continuous AC power to Loads (Off-Grid) | 8000W 33.3A-L (240V) |
| Battery Type | Lead-Acid or Li-Ion |
| Nominal DC Input | 48V |
| Capacity | 50 – 2000Ah |
| Grid to Battery Charging Efficiency | 96.0% |
| Dimensions (H x W x D) | 30.0” x 18.30” x 10.00” |
| Weight | 78 lbs |
Product Features
- Next Generation Efficiency
3X Better! Only 4% losses vs. 14% in today’s battery based systems - Split Phase & Three Phase
Sol-Ark’s 8K pumps out power just like the grid, allowing you to power 120V/ 240V appliances - Grid-Tied, Hybrid, Off-Grid
Manages power from Solar, Battery, Grid, Load, and Generator simultaneously - Flexible
Sol-Ark is expandable from 5 to 36 (11 kW) solar panels and 0-32 batteries. - 5-Year Standard Warranty
10-Year extended warranty available
Helpful Hint with Sol-Ark hybrid inverters: Unlike most string inverters – Sol-Ark hybrid inverter solution will not have a complete power loss for a series string of modules if one of the panels goes bad (stops producing) *** so as long the total voltage of the remaining panel meets or exceeds the min MPPT voltage range of 150VDC.
Fortress Power > 48 Volt 5.4kWh (105AH) Lithium Iron Battery
The eFlex 5.4 kWh 48 Volt Lithium Iron Battery by Fortress Power is a safe, scalable solution for any projects energy storage needs.
With built-in data storage and Wi-Fi for remote troubleshooting and monitoring. The eFlex is light years ahead of the pack. Additional features, such as the smart Battery Management System (BMS) includes relay disconnects, closed loop communication for many hybrid inverters, cell voltage and temperature monitoring, and cell balancing to maximize reliability and longevity, as well as wifi for internet-of-things compatibility.
The Fortress Power eFlex has the highest round-trip efficiency in the industry at 98% efficiency.
| Model | eFlex 5.4 G2 |
| Series | eFlex |
| Manufacturer | Fortress Power |
Mechanical
| Type | Lithium Iron Phosphate (LiFePO4) |
| Dimensions (L x W x H) | 21.5″ x 17.5″ x 7.2″ |
| Weight | 108 lbs |
| Shipping Method | Freight |
| Nominal Voltage | 48V |
| Rated Capacity (20 Hour Rate) | 105 AH |
| Terminal Type | M8 |
Features
- G2 version has eFlex wall mount bracket included
- 98% Roundtrip efficiency
- High Durability and Long-Lasting
- Safe Lithium Iron Phosphate Technology (LiFeP04)
- Flexible mounting options
- Remote monitoring
- Advanced cell level monitoring and balancing
- Close-loop communication with many hybrid inverters
- Canbus, Modbus, and wifi communication
- UL 9540 certified
Documentation
Sol-Ark 8k
- Data Sheet
- Data Sheet – en español
- Installation Manual
- Compliance Certificate
- Brochure
- List of included items
- Checklist
Fortress eFLEX 5.4
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